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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Knee MRI Quantitative Cartilage Measurements

0 Shared Subjects

N/A
Clinical Assessments
MRI
04/03/2017
kmriqcart01
12/21/2022
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
Query ageyears Integer Recommended Age in years
da_comment String 100 Recommended Data analysis: comment
Query visit String 60 Recommended Visit name
file_source String 1,024 Recommended File name/location
Query emtpd Float Recommended % area of subchondral bone denuded of cartilage - medial tibia (external) (eMT.dAB%) [%]
Query wfcavg Float Recommended average mean curvature of subchondral bone surface - whole femur (F.) [1/mm]
Query pmfsaas Float Recommended area of cartilage surface - posterior medial femur (pMF.AC) [mm^2]
Query trfsaas Float Recommended area of cartilage surface - femoral trochlea (TrF.AC) [mm^2]
Query mpbmev Float Recommended bone marrow edema volume - medial patella (mP.) [mm^3]
Query mtrbmev Float Recommended bone marrow edema volume - medial femoral trochlea (mTrF.) [mm^3]
Query pmfwvol Float Recommended volume of cartilage - posterior medial femur (pMF.VC) [mm^3]
Query vsordr Integer Recommended order of analysis 1;2 1=Segmented; 2=Tracked
Query plftavg Float Recommended mean cartilage thickness - posterior lateral femur (pLF.ThCtAB) [mm]
Query wmtpd Float Recommended % area of subchondral bone denuded of cartilage - medial tibia (MT.dAB%) [%]
Query trfwvol Float Recommended volume of cartilage - femoral trochlea (TrF.VC) [mm^3]
Query pmfsabc Float Recommended total area of subchondral bone - posterior medial femur (pMF.tAB) [mm^2]
Query wfnvol Float Recommended normalized cartilage volume - whole femur (F.VCtAB) [mm]
Query pmtpd Float Recommended % area of subchondral bone denuded of cartilage - medial tibia (posterior) (pMT.dAB%) [%]
Query wltfmav Float Recommended maximum cartilage thickness - lateral tib- fem compartment (LFTC.ThCtAB) [mm]
Query wltfvcn Float Recommended normalized cartilage volume - lateral tib- fem compartment (LFTC.VCtAB) [cm^2]
Query trfsabc Float Recommended total area of subchondral bone - femoral trochlea (TrF.tAB) [mm^2]
Query blfcts Float Recommended SD of cartilage thickness - central lateral femur (cLF.ThCtAB) [mm]
Query cbmfmth Float Recommended mean cartilage thickness - central medial femur (center) (ccMF.ThCtAB) [mm]
Query wltfvcl Float Recommended cartilage volume - lateral tib- fem compartment (LFTC.VC) [mm^3]
Query patnvol Float Recommended normalized cartilage volume - patella (P.VCtAB) [mm]
Query cmfcavg Float Recommended average mean curvature of subchondral bone surface - central medial femur (cMF.) [1/mm] curaverage_subb_medfem
version String 20 Recommended Version/code of assessment
Query wmtacv Float Recommended CV of cartilage thickness - medial tibia (MT.ThCtAB) [%]
Query ltsada Float Recommended area of subchondral bone denuded of cartilage - lateral tibia (LT.dAB) [mm^2]
Query bmtfmth Float Recommended mean cartilage thickness - central medial tib- fem compartment (weight bearing) (cMFTC.ThCtAB) [mm]
Query clttvar Float Recommended variance of cartilage thickness - central lateral tibia (cLT.ThCtAB) [mm^2]
Query cmtsada Float Recommended area of subchondral bone denuded of cartilage - central medial tibia (cMT.dAB) [mm^2]
Query wmtacs Float Recommended area of cartilage surface - medial tibia (MT.AC) [cm^2] mtsaas
Query amtpd Float Recommended % area of subchondral bone denuded of cartilage - medial tibia (anterior) (aMT.dAB%) [%]
Query ibmfmth Float Recommended mean cartilage thickness - central medial femur (internal) (icMF.ThCtAB) [mm]
Query pmfreng Float Recommended cartilage roughness energy - posterior medial femur (pMF.) [1/cm^2]
Query wltmth Float Recommended mean cartilage thickness - lateral tibia (LT.ThCtAB) [mm]
Query imtpd Float Recommended % area of subchondral bone denuded of cartilage - medial tibia (internal) (iMT.dAB%) [%]
Query wmtcts Float Recommended SD of cartilage thickness - medial tibia (MT.ThCtAB) [mm]
Query cmtcavg Float Recommended average mean curvature of subchondral bone surface - central medial tibia (cMT.) [1/mm]
Query blfsba Float Recommended total area of subchondral bone - central lateral femur (cLF.tAB) [cm^2] clfsabc
Query bmfacv Float Recommended CV of cartilage thickness - central medial femur (cMF.ThCtAB) [%]
Query ltreng Float Recommended cartilage roughness energy - lateral tibia (LT.) [1/cm^2]
Query pmfsada Float Recommended area of subchondral bone denuded of cartilage - posterior medial femur (pMF.dAB) [mm^2]
Query plfnvol Float Recommended normalized cartilage volume - posterior lateral femur (pLF.VCtAB) [mm]
Query cbmfmat Float Recommended minimum cartilage thickness - central medial femur (center) (ccMF.ThCtAB) [mm]
Query cmfsada Float Recommended area of subchondral bone denuded of cartilage - central medial femur (cMF.dAB) [mm^2]
Query bmfacs Float Recommended area of cartilage surface - central medial femur (cMF.AC) [cm^2] cmfsaas
Query wltcaab Float Recommended area of subchondral bone covered by cartilage - lateral tibia (LT.cAB) [cm^2]
Query trfsada Float Recommended area of subchondral bone denuded of cartilage - femoral trochlea (TrF.dAB)
Query blfcaab Float Recommended area of subchondral bone covered by cartilage - central lateral femur (cLF.cAB) [cm^2]
Query patcavg Float Recommended average mean curvature of subchondral bone surface - patella (P.) [1/mm]
Query clttavg Float Recommended mean cartilage thickness - central lateral tibia (cLT.ThCtAB) [mm]
Query wltsba Float Recommended total area of subchondral bone - lateral tibia (LT.tAB) [cm^2] ltsabc
Query cmtnvol Float Recommended normalized cartilage volume - central medial tibia (cMT.VCtAB) [mm^3]
Query wfsada Float Recommended area of subchondral bone denuded of cartilage - whole femur (F.dAB) [mm^2]
Query trfreng Float Recommended cartilage roughness energy - femoral trochlea (TrF.) [1/cm^2]
Query patreng Float Recommended cartilage roughness energy - patella (P.) [1/cm^2]
Query ltt2av Float Recommended average cartilage T2 - lateral tibia (ms)
Query wfreng Float Recommended cartilage roughness energy - whole femur (F.) [1/cm^2]
Query ebmfpd Float Recommended % area of subchondral bone denuded of cartilage - central medial femur (external) (ecMF.dAB%) [%]
Query iltpd Float Recommended % area of subchondral bone denuded of cartilage - lateral tibia (internal) (iLT.dAB%) [%]
Query ltrbmev Float Recommended bone marrow edema volume - lateral femoral trochlea (lTrF.) [mm^3]
Query eltpd Float Recommended % area of subchondral bone denuded of cartilage - lateral tibia (external) (eLT.dAB%) [%]
Query bltfmat Float Recommended minimum cartilage thickness - central lateral tib- fem compartment (weight bearing) (cLFTC.ThCtAB) [mm]
Query plfcavg Float Recommended average mean curvature of subchondral bone surface - posterior lateral femur (pLF.) [1/mm]
Query cbmfpd Float Recommended % area of subchondral bone denuded of cartilage - central medial femur (center) (ccMF.dAB%) [%]
Query ebmfmth Float Recommended mean cartilage thickness - central medial femur (external) (ecMF.ThCtAB) [mm]
Query wfsaas Float Recommended area of cartilage surface - whole femur (F.AC) [mm^2]
Query wfwvol Float Recommended volume of cartilage - whole femur (F.VC) [mm^3]
Query imtmth Float Recommended mean cartilage thickness - medial tibia (internal) (iMT.ThCtAB) [mm]
Query cmfreng Float Recommended cartilage roughness energy - central medial femur (cMF.) [1/cm^2]
Query patsada Float Recommended area of subchondral bone denuded of cartilage - patella (P.dAB) [mm^2]
Query trftmax Float Recommended maximum cartilage thickness - femoral trochlea (TrF.ThCtAB) [mm]
Query cltnvol Float Recommended normalized cartilage volume - central lateral tibia (cLT.VCtAB) [mm^3]
Query wltcts Float Recommended SD of cartilage thickness - lateral tibia (LT.ThCtAB) [mm]
Query wfsabc Float Recommended total area of subchondral bone - whole femur (F.tAB) [mm^2]
Query cblfmat Float Recommended minimum cartilage thickness - central lateral femur (center) (ccLF.ThCtAB) [mm]
Query mttvar Float Recommended variance of cartilage thickness - medial tibia (MT.ThCtAB) [mm^2]
Query patwvol Float Recommended volume of cartilage - patella (P.VC) [mm^3]
Query wltacs Float Recommended area of cartilage surface - lateral tibia (LT.AC) [cm^2] ltsaas
Query wltpd Float Recommended % area of subchondral bone denuded of cartilage - lateral tibia (LT.dAB%) [%]
Query wltacv Float Recommended CV of cartilage thickness - lateral tibia (LT.ThCtAB) [%]
Query patt2av Float Recommended average cartilage T2 - patella (ms)
Query plfreng Float Recommended cartilage roughness energy - posterior lateral femur (pLF.) [1/cm^2]
Query clfsada Float Recommended area of subchondral bone denuded of cartilage - central lateral femur (cLF.dAB) [mm^2]
Query altpd Float Recommended % area of subchondral bone denuded of cartilage - lateral tibia (anterior) (aLT.dAB%) [%]
Query cmtreng Float Recommended cartilage roughness energy - central medial tibia (cMT.) [1/cm^2]
Query cltcavg Float Recommended average mean curvature of subchondral bone surface - central lateral tibia (cLT.) [1/mm]
Query blfacv Float Recommended CV of cartilage thickness - central lateral femur (cLF.ThCtAB) [%]
Query bltfmth Float Recommended mean cartilage thickness - central lateral tib- fem compartment (weight bearing) (cLFTC.ThCtAB) [mm]
Query cmtwvol Float Recommended volume of cartilage - central medial tibia (cMT.VC) [mm^3]
Query blfacs Float Recommended area of cartilage surface - central lateral femur (cLF.AC) [cm^2] clfsaas
Query patsabc Float Recommended total area of subchondral bone - patella (P.tAB) [mm^2]
Query cmtsaas Float Recommended area of cartilage surface - central medial tibia (cMT.AC) [mm^2]
Query plfsada Float Recommended area of subchondral bone denuded of cartilage - posterior lateral femur (pLF.dAB) [mm^2]
Query clfreng Float Recommended cartilage roughness energy - central lateral femur (cLF.) [1/cm^2]
Query cmtmat Float Recommended minimum cartilage thickness - medial tibia (center) (cMT.ThCtAB) [mm]
Query mtbmev Float Recommended bone marrow edema volume - medial tibia (MT.) [mm^3]
Query bmtfmat Float Recommended minimum cartilage thickness - central medial tib- fem compartment (weight bearing) (cMFTC.ThCtAB) [mm]
Query altmth Float Recommended mean cartilage thickness - lateral tibia (anterior) (aLT.ThCtAB) [mm]
Query cmtsabc Float Recommended total area of subchondral bone - central medial tibia (cMT.tAB) [mm^2]
Query eblfpd Float Recommended % area of subchondral bone denuded of cartilage - central lateral femur (external) (ecLF.dAB%) [%]
Query patsaas Float Recommended area of cartilage surface - patella (P.AC) [mm^2]
Query wmtfvcn Float Recommended normalized cartilage volume - medial tib- fem compartment (MFTC.VCtAB) [cm^2]
Query wmtfmav Float Recommended maximum cartilage thickness - medial tib- fem compartment (MFTC.ThCtAB) [mm]
Query wmtmav Float Recommended maximum cartilage thickness - medial tibia (MT.ThCtAB) [mm] mttmax
Query wmtvcn Float Recommended normalized cartilage volume - medial tibia (MT.VCtAB) [mm] mtnvol
Query iltmth Float Recommended mean cartilage thickness - lateral tibia (internal) (iLT.ThCtAB) [mm]
Query wmtvcl Float Recommended volume of cartilage - medial tibia (MT.VC) [mm^3] mtwvol
Query cblfmt Float Recommended mean cartilage thickness - central lateral femur (center) (ccLF.ThCtAB) [mm]
Query clfcavg Float Recommended average mean curvature of subchondral bone surface - central lateral femur (cLF.) [1/mm] curaverage_subb_latfem
Query wmtfvcl Float Recommended cartilage volume - medial tib- fem compartment (MFTC.VC) [mm^3]
Query bmfcaab Float Recommended area of subchondral bone covered by cartilage - central medial femur (cMF.cAB) [cm^2]
Query cmtpd Float Recommended % area of subchondral bone denuded of cartilage - medial tibia (center) (cMT.dAB%) [%]
Query cmttmax Float Recommended maximum cartilage thickness - central medial tibia (cMT.ThCtAB) [mm]
Query ltbmev Float Recommended bone marrow edema volume - lateral tibia (LT.) [mm^3]
barcdbu String 20 Recommended Barcode of image analyzed accessionnumber, barcdfe, barcdvs
Query cltsada Float Recommended area of subchondral bone denuded of cartilage - central lateral tibia (cLT.dAB) [mm^2]
Query plfsabc Float Recommended total area of subchondral bone - posterior lateral femur (pLF.tAB) [mm^2]
Query ibmfpd Float Recommended % area of subchondral bone denuded of cartilage - central medial femur (internal) (icMF.dAB%) [%]
Query mtcavg Float Recommended average mean curvature of subchondral bone surface - medial tibia (MT.) [1/mm] curaverage_subb_medtib
Query trftavg Float Recommended mean cartilage thickness - femoral trochlea (TrF.ThCtAB) [mm]
Query bmfmtc Float Recommended mean cartilage thickness (excl dAB) - central medial femur (cMF.ThCtAB) [mm]
Query bmfmth Float Recommended mean cartilage thickness - central medial femur (cMF.ThCtAB) [mm]
Query cmtmth Float Recommended mean cartilage thickness - medial tibia (center) (cMT.ThCtAB) [mm]
Query plfsaas Float Recommended area of cartilage surface - posterior lateral femur (pLF.AC) [mm^2]
Query pmftvar Float Recommended variance of cartilage thickness - posterior medial femur (pMF.ThCtAB ) [mm^2]
readprj String 5 Recommended Project
Query bmfpd Float Recommended % area of subchondral bone denuded of cartilage - central medial femur (cMF.dAB%) [%]
Query wmtmtc Float Recommended mean cartilage thickness - medial tibia (MT.ThCcAB) [mm]
Query cltreng Float Recommended cartilage roughness energy - central lateral tibia (cLT.) [1/cm^2]
Query plfwvol Float Recommended volume of cartilage - posterior lateral femur (pLF.VC) [mm^3]
Query pmfbmev Float Recommended bone marrow edema volume - posterior medial femur (pMF.) [mm^3]
Query wmtfmth Float Recommended mean cartilage thickness - medial tib- fem compartment (MFTC.ThCtAB) [mm]
Query iblfpd Float Recommended % area of subchondral bone denuded of cartilage - central lateral femur (internal) (icLF.dAB%) [%]
Query cltsaas Float Recommended area of cartilage surface - central lateral tibia (cLT.AC) [mm^2]
Query cltwvol Float Recommended volume of cartilage - central lateral tibia (cLT.VC) [mm^3]
Query cblfpd Float Recommended % area of subchondral bone denuded of cartilage - central lateral femur (center) (ccLF.dAB%) [%]
Query pattmax Float Recommended maximum cartilage thickness - patella (P.ThCtAB) [mm]
Query cltmat Float Recommended minimum cartilage thickness - lateral tibia (center) (cLT.ThCtAB) [mm]
Query eblfmt Float Recommended mean cartilage thickness - central lateral femur (external) (ecLF.ThCtAB) [mm]
Query eltmth Float Recommended mean cartilage thickness - lateral tibia (external) (eLT.ThCtAB) [mm]
Query cltsabc Float Recommended total area of subchondral bone - central lateral tibia (cLT.tAB) [mm^2]
Query wftmax Float Recommended maximum cartilage thickness - whole femur (F.ThCtAB) [mm]
Query clftavg Float Recommended mean cartilage thickness - central lateral femur (cLF.ThCtAB) [mm]
Query lttvar Float Recommended variance of cartilage thickness - lateral tibia (LT.ThCtAB) [mm^2]
Query side Integer Recommended Side 0::3 0 = neither; 1 = right; 2 = left; 3 = bilateral; blank = Missing Form/Incomplete Workbook
Query lpbmev Float Recommended bone marrow edema volume - lateral patella (lP.) [mm^3]
Query amtmth Float Recommended mean cartilage thickness - medial tibia (anterior) (aMT.ThCtAB) [mm]
Query wftvar Float Recommended variance of cartilage thickness - whole femur (F.ThCtAB) [mm^2]
Query bmfvcn Float Recommended normalized cartilage volume - central medial femur (cMF.VCtAB) [mm] cmfnvol
Query bmfmav Float Recommended maximum cartilage thickness - central medial femur (cMF.ThCtAB) [mm] cmftmax
Query bmfvcl Float Recommended volume of cartilage - central medial femur (cMF.VC) [mm^3] cmfwvol
Query lft2av Float Recommended average cartilage T2 - lateral femur (ms)
Query trftvar Float Recommended variance of cartilage thickness - femoral trochlea (TrF.ThCtAB) [mm^2]
Query pmftmax Float Recommended maximum cartilage thickness - posterior medial femur (pMF.ThCtAB ) [mm]
Query pmtmth Float Recommended mean cartilage thickness - medial tibia (posterior) (pMT.ThCtAB) [mm]
Query mtt2av Float Recommended average cartilage T2 - medial tibia (ms)
Query lttavg Float Recommended mean cartilage thickness - lateral tibia (LT.ThCtAB) [mm]
Query plftmax Float Recommended maximum cartilage thickness - posterior lateral femur (pLF.ThCtAB) [mm]
Query cmttavg Float Recommended mean cartilage thickness - central medial tibia (cMT.ThCtAB) [mm]
Query cltmth Float Recommended mean cartilage thickness - lateral tibia (center) (cLT.ThCtAB) [mm]
Query patbmev Float Recommended bone marrow edema volume - patella crista (cP.) [mm^3]
Query pattvar Float Recommended variance of cartilage thickness - patella (P.ThCtAB) [mm^2]
Query trfcavg Float Recommended average mean curvature of subchondral bone surface - femoral trochlea (TrF.) [1/mm]
Query wmtsba Float Recommended total area of subchondral bone - medial tibia (MT.tAB) [cm^2] mtsabc
Query blfmth Float Recommended mean cartilage thickness - central lateral femur (cLF.ThCtAB) [mm]
Query blfmtc Float Recommended mean cartilage thickness (excl dAB) - central lateral femur (cLF.ThCtAB) [mm]
Query pmfcavg Float Recommended average mean curvature of subchondral bone surface - posterior medial femur (pMF.) [1/mm]
Query pmfnvol Float Recommended normalized cartilage volume - posterior medial femur (pMF.VCtAB) [mm]
Query cmfbmev Float Recommended bone marrow edema volume - central medial femur (cMF.) [mm^3]
Query bmfcts Float Recommended SD of cartilage thickness - central medial femur (cMF.ThCtAB) [mm]
Query pltpd Float Recommended % area of subchondral bone denuded of cartilage - lateral tibia (posterior) (pLT.dAB%) [%]
Query cmftvar Float Recommended variance of cartilage thickness - central medial femur (cMF.ThCtAB) [mm^2]
Query wmtmth Float Recommended mean cartilage thickness - medial tibia (MT.ThCtAB) [mm] mttavg
Query plftvar Float Recommended variance of cartilage thickness - posterior lateral femur (pLF.ThCtAB) [mm^2]
Query wltmtc Float Recommended mean cartilage thickness (excl dAB) - lateral tibia (LT.ThCcAB) [mm]
Query cmftavg Float Recommended mean cartilage thickness - central medial femur (cMF.ThCtAB) [mm]
Query clfbmev Float Recommended bone marrow edema volume - central lateral femur (cLF.) [mm^3]
Query blfpd Float Recommended % area of subchondral bone denuded of cartilage - central lateral femur (cLF.dAB%) [%]
Query wftavg Float Recommended mean cartilage thickness - whole femur (F.ThCtAB) [mm
Query wmtcaab Float Recommended area of subchondral bone covered by cartilage - medial tibia (MT.cAB) [cm^2]
Query ltcavg Float Recommended average mean curvature of subchondral bone surface - lateral tibia (LT.) [1/mm] curaverage_subb_lattib
Query mtreng Float Recommended cartilage roughness energy - medial tibia (MT.) [1/cm^2]
Query wltfmth Float Recommended mean cartilage thickness - lateral tib- fem compartment (LFTC.ThCtAB) [mm]
Query blfvcn Float Recommended normalized cartilage volume - central lateral femur (cLF.VCtAB) [mm] clfnvol
Query pattavg Float Recommended mean cartilage thickness - patella (P.ThCtAB) [mm]
Query emtmth Float Recommended mean cartilage thickness - medial tibia (external) (eMT.ThCtAB) [mm]
Query blfmav Float Recommended maximum cartilage thickness - central lateral femur (cLF.ThCtAB) [mm] clftmax
Query blfvcl Float Recommended volume of cartilage - central lateral femur (cLF.VC) [mm^3] clfwvol
Query mft2av Float Recommended average cartilage T2 - medial femur (ms)
Query cmttvar Float Recommended variance of cartilage thickness - central medial tibia (cMT.ThCtAB) [mm^2]
Query trfnvol Float Recommended normalized cartilage volume - femoral trochlea (TrF.VCtAB) [mm]
Query mtsada Float Recommended area of subchondral bone denuded of cartilage - medial tibia (MT.dAB) [mm^2]
Query pmftavg Float Recommended mean cartilage thickness - posterior medial femur (pMF.ThCtAB ) [mm]
Query pltmth Float Recommended mean cartilage thickness - lateral tibia (posterior) (pLT.ThCtAB) [mm]
Query clttmax Float Recommended maximum cartilage thickness - central lateral tibia (cLT.ThCtAB) [mm]
Query plfbmev Float Recommended bone marrow edema volume - posterior lateral femur (pLF.) [mm^3]
Query clftvar Float Recommended variance of cartilage thickness - central lateral femur (cLF.ThCtAB) [mm^2]
Query wltvcl Float Recommended volume of cartilage - lateral tibia (LT.VC) [mm^3] ltwvol
Query cltpd Float Recommended % area of subchondral bone denuded of cartilage - lateral tibia (center) (cLT.dAB%) [%]
Query wltmav Float Recommended maximum cartilage thickness - lateral tibia (LT.ThCtAB) [mm] lttmax
Query wltvcn Float Recommended normalized cartilage volume - lateral tibia (LT.VCtAB) [mm] ltnvol
Query bmfsba Float Recommended total area of subchondral bone - central medial femur (cMF.tAB) [cm^2] cmfsabc
Query iblfmt Float Recommended mean cartilage thickness - central lateral femur (internal) (icLF.ThCtAB) [mm]
Query subbarea_medfem Float Recommended central medial femur subchondral bone plate (SBP) area
Query cursd_subb_medfem Float Recommended central medial femur standard deviation SBP mean curvature
Query cur_5pc_subb_medfem Float Recommended central medial femur 5% percentile SBP mean curvature
Query cur_95pc_subb_medfem Float Recommended central medial femur 95% percentile SBP mean curvature
Query scraverage_subb_medfem Float Recommended DESS signal contrast between cartilage tissue and bone tissue at the subchondral bone plate)
Query scrsd_subb_medfem Float Recommended central medial femur standard deviation SBP MRI signal contrast ratio
Query scr_5pc_subb_medfem Float Recommended central medial femur 5% percentile SBP MRI signal contrast ratio
Query scr_95pc_subb_medfem Float Recommended central medial femur 95% percentile SBP MRI signal contrast ratio
Query subbarea_latfem Float Recommended central lateral femur subchondral bone plate (SBP) area
Query cursd_subb_latfem Float Recommended central lateral femur standard deviation SBP mean curvature
Query cur_5pc_subb_latfem Float Recommended central lateral femur 5% percentile SBP mean curvature
Query cur_95pc_subb_latfem Float Recommended central lateral femur 95% percentile SBP mean curvature
Query scraverage_subb_latfem Float Recommended DESS signal contrast between cartilage tissue and bone tissue at the subchondral bone plate)
Query scrsd_subb_latfem Float Recommended central lateral femur standard deviation SBP MRI signal contrast ratio
Query scr_5pc_subb_latfem Float Recommended central lateral femur 5% percentile SBP MRI signal contrast ratio
Query scr_95pc_subb_latfem Float Recommended central lateral femur 95% percentile SBP MRI signal contrast ratio
Query subbarea_medtib Float Recommended medial tibia subchondral bone plate (SBP) area
Query cursd_subb_medtib Float Recommended medial tibia standard deviation SBP mean curvature
Query cur_5pc_subb_medtib Float Recommended medial tibia 5% percentile SBP mean curvature
Query cur_95pc_subb_medtib Float Recommended medial tibia 95% percentile SBP mean curvature
Query scraverage_subb_medtib Float Recommended DESS signal contrast between cartilage tissue and bone tissue at the subchondral bone plate)
Query scrsd_subb_medtib Float Recommended medial tibia standard deviation SBP MRI signal contrast ratio
Query scr_5pc_subb_medtib Float Recommended medial tibia 5% percentile SBP MRI signal contrast ratio
Query scr_95pc_subb_medtib Float Recommended medial tibia 95% percentile SBP MRI signal contrast ratio
Query subbarea_lattib Float Recommended lateral tibia subchondral bone plate (SBP) area
Query cursd_subb_lattib Float Recommended lateral tibia standard deviation SBP mean curvature
Query cur_5pc_subb_lattib Float Recommended lateral tibia 5% percentile SBP mean curvature
Query cur_95pc_subb_lattib Float Recommended lateral tibia 95% percentile SBP mean curvature
Query scraverage_subb_lattib Float Recommended DESS signal contrast between cartilage tissue and bone tissue at the subchondral bone plate)
Query scrsd_subb_lattib Float Recommended lateral tibia standard deviation SBP MRI signal contrast ratio
Query scr_5pc_subb_lattib Float Recommended lateral tibia 5% percentile SBP MRI signal contrast ratio
Query scr_95pc_subb_lattib Float Recommended lateral tibia 95% percentile SBP MRI signal contrast ratio
Query bti_v0 Float Recommended Fractal Bone Trabecular Integrity Vertical - constant
Query bti_v1 Float Recommended Fractal Bone Trabecular Integrity Vertical - slope
Query bti_v2 Float Recommended Fractal Bone Trabecular Integrity Vertical - quadratic
Query bti_h0 Float Recommended Fractal Bone Trabecular Integrity Horizontal - constant
Query bti_h1 Float Recommended Fractal Bone Trabecular Integrity Horizontal - slope
Query bti_h2 Float Recommended Fractal Bone Trabecular Integrity Horizontal - quadratic
class String 7 Recommended Identification of Case/Control(INC_1 = Case, CON_INC_1 = Control)
Query timept Integer Recommended Time Point 888 = not applicable; 999 = missing
Query newstrata Integer Recommended Strata Variable for Case/Control Pairs
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
  • For valid elements with shared data, on the far left is a Filter button you can use to view a summary of shared data for that element and apply a query filter to your Cart based on selected value ranges

At the top of this page you can also:

  • Use the search bar to filter the elements displayed. This will not filter on the Size of Required columns
  • Download a copy of this definition in CSV format
  • Download a blank CSV submission template prepopulated with the correct structure header rows ready to fill with subject records and upload

Please email the The NDA Help Desk with any questions.

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