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This is a U.S. Government computer system, which may be accessed and used only for authorized Government business by authorized personnel. Unauthorized access or use of this computer system may subject violators to criminal, civil, and/or administrative action. All information on this computer system may be intercepted, recorded, read, copied, and disclosed by and to authorized personnel for official purposes, including criminal investigations. Such information includes sensitive data encrypted to comply with confidentiality and privacy requirements. Access or use of this computer system by any person, whether authorized or unauthorized, constitutes consent to these terms. There is no right of privacy in this system.

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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Trabecular Bone Measures

0 Shared Subjects

N/A
Clinical Assessments
Phys Exam
02/06/2018
bones01
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 id
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
Query bmdratio Float Recommended BMD ratio (medial/lateral)
Query visit String 60 Recommended Visit name
trabmrseqdt Date Recommended Knee MRI Exam Date
Query trth Float Recommended Trabecular thickness - avg of the 20 central slices (mm)
Query vitdlev Integer Recommended 25- vitamin D level (ng/mL) vitd
Query pthlev Integer Recommended Intact PTH level (pg/mL) pth
version String 20 Recommended Version/code of assessment
Query trsp Float Recommended Trabecular spacing - avg of the 20 central slices (mm)
Query medialbmd Float Recommended BMD of medial tibial ROI (g/cm2)
hipdxadt Date Recommended Hip DXA Exam Date
Query trn Float Recommended Trabecular number - avg of the 20 central slices (per mm (mm^- 1))
Query kneeside Integer Recommended Knee side 0::2 0=left; 1=right; 2= bilateral
Query bvf Float Recommended Bone Volume Fraction - avg of the 20 central slices
Query hipside Integer Recommended Hip side 0::2 0=left; 1=right; 2= bilateral
Query neckbmd Float Recommended Femoral Neck BMD (g/cm2)
readprj String 5 Recommended Project
kneedxadt Date Recommended Knee DXA Exam Date
Query lateralbmd Float Recommended BMD of lateral tibial ROI (g/cm2)
Query kneedxasfware Integer Recommended Software used to acquire scan 0;1 0=knee software used to acquire scan;1=APSpine software used to acquire scan
pdate1 Date Recommended Phlebotomy: date of blood draw (first draw) pdate
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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