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NDAR provides a single access to de-identified autism research data. For permission to download data, you will need an NDAR account with approved access to NDAR or a connected repository (AGRE, IAN, or the ATP). For NDAR access, you need to be a research investigator sponsored by an NIH recognized institution with federal wide assurance. See Request Access for more information.

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Selected Filters
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The filters you have selected from various query interfaces will be stored here, in the 'Filter Cart'. The database will be queried using filters added to your 'Filter Cart', when multiple filters are defined, each will be executed using 'AND' logic, so with each filter that is applied the result set gets smaller.

From the 'Filter Cart' you can inspect each of the filters that have been defined, and you also have the option to remove filters. The 'Filter Cart' itself will display the number of filters applied along with the number of subjects that are identified by the combination of those filters. For example a GUID filter with two subjects, followed by a GUID filter for just one of those subjects would return only data for the subject that is in both GUID filters.

If you have a question about the filter cart, or underlying filters please contact the help desk at The NDA Help Desk

Description
Value Range
Notes
Data Structures with shared data
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Lab Results Form

labs

01

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Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*
src_subject_idString20RequiredSubject ID how it's defined in lab/projectstepid
interview_dateDateRequiredDate on which the interview/genetic test/sampling/imaging was completed. MM/DD/YYYYRequired field
interview_ageIntegerRequiredAge in months at the time of the interview/test/sampling/imaging.0 :: 1260Age 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.
genderString20RequiredSex of the subjectM;FM = Male; F = Female
daysrzIntegerRecommendeddays since randomizationcollrz
certcodeIntegerRecommendedstepbd certification code
lithiumIntegerRecommendedlithium result1;21=Within normal range; 2=Out of range
licsIntegerRecommendedlithium clinically significant0;1;-70=No; 1=Yes; -7=Refused
livalFloatRecommendedlithium value
lirzIntegerRecommendedlithium days since rz
valproatIntegerRecommendedvalproate1;21=Within normal range; 2=Out of range
valpcsIntegerRecommendedvalproate clinically signif0;1;-70=No; 1=Yes; -7=Refused
valpvalFloatRecommendedvalproate value
valrzIntegerRecommendedvalproate days since rz
carbamazIntegerRecommendedcarbamazepine result1;21=Within normal range; 2=Out of range
carbacsIntegerRecommendedcarbamazepine clinic signif0;1;-70=No; 1=Yes; -7=Refused
carbavalFloatRecommendedcarbamazepine value
carbarzIntegerRecommendedcarbamazepine dys since rz
wbccsIntegerRecommendedwbc clinically significant0;1;-70=No; 1=Yes; -7=Refused
wbcvalFloatRecommendedwbc value
wbcrzIntegerRecommendedwbc days since rz
rbcIntegerRecommendedrbc result1;21=Within normal range; 2=Out of range
rbccsIntegerRecommendedrbc clinically significant0;1;-70=No; 1=Yes; -7=Refused
rbcvalFloatRecommendedrbc value
rbcrzIntegerRecommendedrbc days since rz
plateIntegerRecommendedplatelet result1;21=Within normal range; 2=Out of range
platecsIntegerRecommendedplatelets clinically signif0;1;-70=No; 1=Yes; -7=Refused
platevalFloatRecommendedplatelets value
platerzIntegerRecommendedplatelets days since rz
tsh_resIntegerRecommendedtsh normal abnormal1;21=Within normal range; 2=Out of rangetsh
tshcsIntegerRecommendedtsh clinically significant0;1;-70=No; 1=Yes; -7=Refused
tshvalFloatRecommendedtsh value
tshrzIntegerRecommendedtsh days since rz
sodcsIntegerRecommendedsodium clinically significant0;1;-70=No; 1=Yes; -7=Refused
sodvalFloatRecommendedsodium value
sodrzIntegerRecommendedsodium days since rz
potassIntegerRecommendedpotassium result1;21=Within normal range; 2=Out of range
potcsIntegerRecommendedpotassium clinically signif0;1;-70=No; 1=Yes; -7=Refused
potvalFloatRecommendedpotassium value
potrzIntegerRecommendedpotassium days since rz
chlcsIntegerRecommendedchloride clinically signif0;1;-70=No; 1=Yes; -7=Refused
chlvalFloatRecommendedchloride value
chlrzIntegerRecommendedchloride days since rz
buncsIntegerRecommendedbun clinically signif0;1;-70=No; 1=Yes; -7=Refused
bunvalFloatRecommendedbun value
bunrzIntegerRecommendedbun days since rz
carbonatIntegerRecommendedcarbonate result1;21=Within normal range; 2=Out of range
carbocsIntegerRecommendedcarbonate clinically signif0;1;-70=No; 1=Yes; -7=Refused
carbovalFloatRecommendedcarbonate value
carborzIntegerRecommendedcarbonate days since rz
glucsIntegerRecommendedglucose clinically signif0;1;-70=No; 1=Yes; -7=Refused
gluvalFloatRecommendedglucose value
glurzIntegerRecommendedglucose days since rz
sgotIntegerRecommendedsgot result1;21=Within normal range; 2=Out of range
sgotcsIntegerRecommendedsgot clinically signif0;1;-70=No; 1=Yes; -7=Refused
sgotvalFloatRecommendedsgot value
sgotrzIntegerRecommendedsgot days since rz
creatinIntegerRecommendedcreatinine1;21=Within normal range; 2=Out of range
creatcsIntegerRecommendedcreatinine clinically signif0;1;-70=No; 1=Yes; -7=Refused
creatvalFloatRecommendedcreatinine value
creatrzIntegerRecommendedcreatinine days since rz
urineIntegerRecommendedurine analysis1;21=Within normal range; 2=Out of range
urinecsIntegerRecommendedurine clinically signif0;1;-70=No; 1=Yes; -7=Refused
urinevalFloatRecommendedurine value
urinerzIntegerRecommendedurine analysis days since rz
ekgIntegerRecommendedekg normal abnormal1;21=Within normal range; 2=Out of range
ekgcsIntegerRecommendedekg clinically signif0;1;-70=No; 1=Yes; -7=Refused
ekgrzIntegerRecommendedekg days since rz
pregnanIntegerRecommendedpregnancy test0::5;-7;90=Negative; 1=Positive; 2=Test not conducted; -7=Refused; 9=NA;3=Not pregnant (per pregnancy test); 4=Not pregnant (has not reached menarche); 5=Pregnancy suspected, but not confirmed
siteString100RecommendedSiteStudy Sitesite_id, siteid
wbc_resIntegerRecommendedwbc result1;21=Within normal range; 2=Out of rangewbc
sodium_resIntegerRecommendedsodium result1;21=Within normal range; 2=Out of rangesodium
chloride_resIntegerRecommendedchloride result1;21=Within normal range; 2=Out of rangechloride
bun_resIntegerRecommendedbun result1;21=Within normal range; 2=Out of rangebun
glucose_resIntegerRecommendedglucose result1;21=Within normal range; 2=Out of rangeglucose
lith_ynIntegerRecommendedLithium - Requested?1;-71=Yes, Value obtained; -7=No, Not Done
visitidIntegerRecommendedMetaTrial Visit IDSystem variable: unique code for each type of visit -use to merge files
colldyIntegerRecommendedCollection DayNumber of days from study baseline to date of sample collection
weekFloatRecommendedWeek in level/study99=week 10-week 14
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.

Distribution for DataStructure: labs01 and Element:
Chart Help

Filters enable researchers to view the data shared in NDA before applying for access or for selecting specific data for download or NDA Study assignment. For those with access to NDA shared data, you may select specific values to be included by selecting an individual bar chart item or by selecting a range of values (e.g. interview_age) using the "Add Range" button. Note that not all elements have appropriately distinct values like comments and subjectkey and are not available for filtering. Additionally, item level detail is not always provided by the research community as indicated by the number of null values given.

Filters for multiple data elements within a structure are supported. Selections across multiple data structures will be supported in a future version of NDA.