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subjectkey |
GUID |
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Required |
The NDAR Global Unique Identifier (GUID) for research subject |
NDAR*
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src_subject_id |
String |
20
|
Required |
Subject ID how it's defined in lab/project |
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interview_date |
Date |
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Required |
Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY |
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interview_age |
Integer |
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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.
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sex |
String |
20
|
Required |
Sex of subject at birth |
M;F; O; NR
|
M = Male; F = Female; O=Other; NR = Not reported
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gender |
Query
|
ageyears |
Integer |
|
Recommended |
Age in years |
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Query
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nommjsw |
Integer |
|
Recommended |
Medial mJSW cannot be measured due to poor positioning, image quality or other reason |
0;1
|
0=No; 1=Yes
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Query
|
visit |
String |
60
|
Recommended |
Visit name |
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Query
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jsw300 |
Float |
|
Recommended |
Medial JSW at x=0.300 (mm) |
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Query
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jsw200 |
Float |
|
Recommended |
Medial JSW at x=0.200 (mm) |
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file_source |
String |
1,024
|
Recommended |
File name/location |
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Query
|
jsw225 |
Float |
|
Recommended |
Medial JSW at x=0.225 (mm) |
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Query
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mjswbb |
Integer |
|
Recommended |
mJSW is set to zero, used when reader judges bone on bone in medial compartment |
0;1
|
0=No; 1=Yes
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|
Query
|
noljswx |
Integer |
|
Recommended |
Lateral JSW(x) cannot be measured due to poor positioning or poor image quality |
0;1
|
0=No; 1=Yes
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|
Query
|
incstps |
Integer |
|
Recommended |
Inconsistent positioning at one or more visits based on rim distance |
0;1
|
0=No; 1=Yes
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Query
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jsw250 |
Float |
|
Recommended |
Medial JSW at x=0.250 (mm) |
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Query
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jsw150 |
Float |
|
Recommended |
Medial JSW at x=0.150 (mm) |
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Query
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ljsw725 |
Float |
|
Recommended |
Lateral JSW at x=0.725 (mm) |
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Query
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ljsw825 |
Float |
|
Recommended |
Lateral JSW at x=0.825 (mm) |
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Query
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ljsw800 |
Float |
|
Recommended |
Lateral JSW at x=0.800 (mm) |
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Query
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ljsw900 |
Float |
|
Recommended |
Lateral JSW at x=0.900 (mm) |
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barcdbu |
String |
20
|
Recommended |
Barcode of image analyzed |
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|
barcdjd |
Query
|
ljsw700 |
Float |
|
Recommended |
Lateral JSW at x=0.700 (mm) |
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Query
|
cfwdth |
Float |
|
Recommended |
Width of femoral condyles used to define x=1.0 (mm) |
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Query
|
side |
Integer |
|
Recommended |
Side |
0::3
|
0 = neither; 1 = right; 2 = left; 3 = bilateral; blank = Missing Form/Incomplete Workbook
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|
Query
|
nolmin |
Integer |
|
Recommended |
Medial mJSW measured but there is no local minimum |
0;1
|
0=No; 1=Yes
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|
Query
|
tpcfds |
Float |
|
Recommended |
Distance from tibial plateau to tibial rim closest to femoral condyle (mm) |
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Query
|
impixsz |
Float |
|
Recommended |
Pixel size used for conversion from pixel units to millimeters (uncorrected for magnification of knee) (mm) |
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Query
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jsw175 |
Float |
|
Recommended |
Medial JSW at x=0.175 (mm) |
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version |
String |
20
|
Recommended |
Version/code of assessment |
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|
Query
|
jsw275 |
Float |
|
Recommended |
Medial JSW at x=0.275 (mm) |
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|
|
Query
|
mcmjsw |
Float |
|
Recommended |
Medial minimum JSW (mm) |
|
|
|
Query
|
ltpmebe |
Integer |
|
Recommended |
Lateral tibial plateau margin is the same as the bone edge |
0;1
|
0=No; 1=Yes
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readprj |
String |
5
|
Recommended |
Project |
|
|
|
Query
|
bmang |
Float |
|
Recommended |
X-ray beam angle from Synaflexer phantom (degrees) |
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|
Query
|
xmjsw |
Float |
|
Recommended |
X coordinate of minimum JSW |
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|
Query
|
ljsw875 |
Float |
|
Recommended |
Lateral JSW at x=0.875 (mm) |
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|
|
Query
|
incplm |
Integer |
|
Recommended |
Incomplete delineation of medial compartment - some JSW(x) set to .T |
0;1
|
0=No; 1=Yes
|
|
Query
|
incpll |
Integer |
|
Recommended |
Incomplete delineation of lateral compartment - some JSW(x) set to .T |
0;1
|
0=No; 1=Yes
|
|
Query
|
ljsw775 |
Float |
|
Recommended |
Lateral JSW at x=0.775 (mm) |
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|
Query
|
ljsw750 |
Float |
|
Recommended |
Lateral JSW at x=0.750 (mm) |
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|
Query
|
ljsw850 |
Float |
|
Recommended |
Lateral JSW at x=0.850 (mm) |
|
|
|
Query
|
nomjswx |
Integer |
|
Recommended |
Medial JSW(x) cannot be measured due to poor positioning or poor image quality |
0;1
|
0=No; 1=Yes
|
|
Query
|
femlen |
Float |
|
Recommended |
femoral length from full limb x-ray (mm) |
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|
Query
|
tiblen |
Float |
|
Recommended |
tibia length from full limb x-ray (mm) |
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|
Query
|
appll |
Float |
|
Recommended |
femur length plus tibia length from full limb x-ray (mm) |
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|
|
Query
|
xrjsl |
Float |
|
Recommended |
Joint space narrowing (OARSI grades 0- 3) lateral compartment |
0::3
|
|
|
Query
|
xrjsm |
Float |
|
Recommended |
Joint space narrowing (OARSI grades 0- 3) medial compartment |
0::3
|
|
|
Query
|
xrkl |
Integer |
|
Recommended |
Kellgren and Lawrence (grades 0- 4) |
0::4
|
|
|
Query
|
jsprg |
Integer |
|
Recommended |
JSL Progressor |
0;1
|
0=No; 1=Yes
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