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The Filter Cart provides a powerful way to query and access data for which you may be interested.  

A few points related to the filter cart are important to understand with the NDA Query/Filter implementation: 

First, the filter cart is populated asyncronously.  So, when you run a query, it may take a moment to populate but this will happen in the background so you can define other queries during this time.  

When you are adding your first filter, all data associated with your query will be added to the filter cart (whether it be a collection, a concept, a study, a data structure/elment or subjects). Not all data structures or collections will necessarily be displayed.  For example, if you select the NDA imaging structure image03, and further restrict that query to scan_type fMRI, only fMRI images will appear and only the image03 structure will be shown.  To see other data structures, select "Find All Subject Data" which will query all data for those subjects. When a secord or third filter is applied, an AND condition is used.  A subject must exist in all filters.  If the subject does not appear in any one filter, that subjects data will not be included in your filter cart. If that happens, clear your filter cart, and start over.  

It is best to package more data than you need and access those data using other tools, independent of the NDA (e.g. miNDAR snapshot), to limit the data selected.  If you have any questions on data access, are interested in using avaialble web services, or need help accessing data, please contact us for assistance.  

Frequently Asked Questions

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Charlson Comorbidity Index

cci

01

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Element NameData TypeSizeRequiredDescriptionValue RangeNotesAliases
subjectkeyGUIDRequiredThe NDAR Global Unique Identifier (GUID) for research subjectNDAR*nimhid
src_subject_idString20RequiredSubject ID how it's defined in lab/projectid, ptid, subject_id, subjectid, subjid
interview_dateDateRequiredDate on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYYRequired fieldcharlson_date, hamddt, interview_date_charc, testdate, v1_hamd_date, v2_hamd_date, visit_date
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.age, v1_hamd_age, v2_hamd_age
sexString20RequiredSex of the subjectM;FM = Male; F = Femalegender
crcidString40RecommendedCRC ID/ROA ID
dateDateRecommendedOpen Label Baseline dateComplete only if starting Open Label Phase. OL Baseline contact is visit where participant is given active drug - included in random data set.
updateIntegerRecommendedUpdated form0;11=Updated
lang_visitIntegerRecommendedLanguage during visit0;11=Spanish; 0=Englishspanish
charc1IntegerRecommendedCCI question 1: Ever had chest discomfort or been told that has angina;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_1
charc1aIntegerRecommendedCCI question 1a: Chest discomfort/angina occurs with exertion;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_1a
charc1bIntegerRecommendedCCI question 1b: Chest discomfort/angina occurs at rest or awakens from sleep;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_1b
charc2IntegerRecommendedCCI question 2: Ever had to use any medication under tongue for chest discomfort;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_2
charc3IntegerRecommendedCCI question 3: Ever been told that had a heart attack;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_3
charc3aIntegerRecommendedCCI question 3a: Number of heart attacks (77=Don't know, 88=Refused)0;1;90=No; 1=Yes; 9=Missingcci_3a
charc3bIntegerRecommendedCCI question 3b: Time since last heart attack;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1;2;3;4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_3b
charc4IntegerRecommendedCCI question 4: Ever had heart bypass surgery or angioplasty;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_4
charc5IntegerRecommendedCCI question 5: Ever get short of breath;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_5
charc5aString255RecommendedCCI question 5a: If CharC5=1, under what circumstances gets short of breathcci_5a
charc6IntegerRecommendedCCI question 6: Ever been told that has congestive heart failure;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_6
charc6aIntegerRecommendedCCI question 6a: If 6=1, currently taking medication for heart failure;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_6a
charc7IntegerRecommendedCCI question 7: Often notice heart beating fast or irregularly;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_7
charc7aIntegerRecommendedCCI question 7a: If 7=1, have seen doctor about heart beating fast/irregularly;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_7a
charc8IntegerRecommendedCCI question 8: Have been told that has atrial fibrillation;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_8
charc9IntegerRecommendedCCI question 9: Tend to cough a lot (nearly everyday or for weeks at a time);0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_9
charc9aIntegerRecommendedCCI question 9a: If 9=1, is coughing seasonal;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_9a
charc9bIntegerRecommendedCCI question 9b: If 9=1, is coughing related to exertion or exercise;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_9b
charc10IntegerRecommendedCCI question 10: Ever noticed wheezing or making unusual noises when breathing;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_10
charc11IntegerRecommendedCCI question 11: Ever been told has asthma;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_11
charc11aIntegerRecommendedCCI question 11a: If 11=1, been hospitalized for asthma in past 10 years;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_11a
charc11bIntegerRecommendedCCI question 11b: If 11=1, on regular medicine for asthma;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_11b
charc12IntegerRecommendedCCI question 12: Calves/thighs cramp when walking if ambulatory, sleeping if not;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_12
charc12aIntegerRecommendedCCI question 12a: If 12=1 and ambulatory, cramping goes away with rest;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_12a
charc13IntegerRecommendedCCI question 13: Ever been told that had a stroke;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_13
charc13aIntegerRecommendedCCI question 13a: If 13=1, has lasting effects from the stroke;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_13a
charc14IntegerRecommendedCCI question 14: Has had loss of movement of limb/side of body, slurred speech, sudden fading vision, or been told that had TIA;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_14
charc14aIntegerRecommendedCCI question 14a: If CharC14=1, when symptoms/TIA last happened;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_14a
charc14bIntegerRecommendedCCI question 14b: If CharC14=1, number of times symptoms/TIA have happened;1-98=actual number,99=Too numerous to specify-1;0::87; 98; 990-98=actual number,99=Too numerous to specify; -1=Missingcci_14b
charc15IntegerRecommendedCCI question 15: Has been told that has diabetes/high blood sugar;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_15
charc15aIntegerRecommendedCCI question 15a: If CharC15=1, age in years when first diagnosed with diabetes/high blood sugar-1;1::87-1=Missingcci_15a
charc15bIntegerRecommendedCCI question 15b: If 15=1, currently taking medication for diabetes/high blood sugar;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_15b
charc16IntegerRecommendedCCI question 16: Ever been told that has significant problems with kidneys;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_16
charc16aIntegerRecommendedCCI question 16a: If 16=1, ever been on dialysis;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_16a
charc17IntegerRecommendedCCI question 17: Ever been told that has liver problems;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_17
charc17aString255RecommendedCCI question 17a: If CharC17=1, what was/is liver problem?cci_17a
charc17bIntegerRecommendedCCI question 17b: If 17=1, has any lasting effects that continue until today;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_17b
charc17cIntegerRecommendedCCI question 17c: If 17=1, has any dietary or alcohol restrictions because of liver problems;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_17c
charc18IntegerRecommendedCCI question 18: Ever been told that has stomach ulcer;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_18
charc18aIntegerRecommendedCCI question 18a: If 18=1, ever had bleeding ulcer;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_18a
charc18bIntegerRecommendedCCI question 18b: If 18=1, currently take medication for an ulcer;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_18b
charc19IntegerRecommendedCCI question 19: Ever been told that had cancer;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_19
charc19aIntegerRecommendedCCI question 19a: If CharC19=1, when first diagnosed with cancer;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_19a
charc19b1IntegerRecommendedCCI question 19b1: If CharC19=1, code of primary tumor site one-1;1::12;20-1=Missing; 1=Bladder; 2=Breast; 3=Colorectal; 4=Kidney; 5=Lung and bronchus; 6=Lymphoma; 7=Oral cavity and pharynx; 8=Pancreas; 9=Prostate; 10=Skin [Non-Melanoma]; 11=Skin [Melanoma]; 12=Stomach; 20=Some Other Cancercci_19b1
charc19b2IntegerRecommendedCCI question 19b2: If CharC19=1, code of primary tumor site two-1;1::12;20-1=Missing; 1=Bladder; 2=Breast; 3=Colorectal; 4=Kidney; 5=Lung and bronchus; 6=Lymphoma; 7=Oral cavity and pharynx; 8=Pancreas; 9=Prostate; 10=Skin [Non-Melanoma]; 11=Skin [Melanoma]; 12=Stomach; 20=Some Other Cancercci_19b2
charc19b3IntegerRecommendedCCI question 19b3: If CharC19=1, code of primary tumor site three-1;1::12;20-1=Missing; 1=Bladder; 2=Breast; 3=Colorectal; 4=Kidney; 5=Lung and bronchus; 6=Lymphoma; 7=Oral cavity and pharynx; 8=Pancreas; 9=Prostate; 10=Skin [Non-Melanoma]; 11=Skin [Melanoma]; 12=Stomach; 20=Some Other Cancercci_19b3
charc19b4String255RecommendedCCI question 19b4: If CharC19b1=20 or CharC19b2=20 or CharC19b3=20, specification of other primary tumor sitecci_19b1_text
charc19cIntegerRecommendedCCI question 19c: If 19=1, tumor spread to other parts of body (any tumor ever);0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_19c
charc19dIntegerRecommendedCCI question 19d: If 19=1, received chemotherapy or radiation therapy (for any tumor ever);0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_19d
charc19eIntegerRecommendedCCI question 19e: If 19=1, did you have to be operated on for your cancer? (any tumor ever);0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_19e
charc19fIntegerRecommendedCCI question 19f: If CharC19=1, when were you last treated with chemotherapy, radiation, or surgery? (for any tumor ever);1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_19f
charc20IntegerRecommendedCCI question 20: Ever been told that has/had leukemia;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_20
charc21IntegerRecommendedCCI question 21: Ever been told that has/had serious problem with joints;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_21
charc21aString255RecommendedCCI question 21a: If CharC21=1, what is/was the problem?cci_21a
charc22IntegerRecommendedCCI question 22: Ever been tested HIV positive;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_22
charc22aIntegerRecommendedCCI question 22a: If 22=1, carries the diagnosis of AIDS;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_22a_2
charc22bIntegerRecommendedCCI question 22b: If 22=1, has had wasting;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_22b
charc23IntegerRecommendedCCI question 23: Ever been told has problem with thyroid;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_23
charc23aIntegerRecommendedCCI question 23a: If CharC23=1, thyroid was underactive or overactive;1=Underactive,2=Overactive1;2;91=Underactive; 2=Overactive; 9=Missingcci_23a
charc23bIntegerRecommendedCCI question 23b: If 23=1, currently takes medication for thyroid;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_23b
charc23cIntegerRecommendedCCI question 23c: If CharC23=1, when was last time medication was changed for thyroid condition?;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_23c
charc23dIntegerRecommendedCCI question 23d: If CharC23=1, when was last time had blood test to check thyroid?;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_23d
charc24IntegerRecommendedCCI question 24: Has been told that has deficiency of vitamin B12 or anemia;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_24
charc24aIntegerRecommendedCCI question 24a: If 24=1, is currently receiving replacement shots (B12);0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_24a
charc25IntegerRecommendedCCI question 25: Has been told that has Parkinson's Disease;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_25
charc25aIntegerRecommendedCCI question 25a: If CharC25=1, how long ago Parkinson's diagnosis was made;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_25a
charc25bIntegerRecommendedCCI question 25b: If 25=1, is currently taking medication for Parkinson's Disease;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_25b
charc25cIntegerRecommendedCCI question 25c: If CharC25=1, when was last time Parkinson's medication was changed?;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1::4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_25c
charc26IntegerRecommendedCCI question 26: Has been told that has high blood pressure, or has been treated for it;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_26
charc27IntegerRecommendedCCI question 27: Has been told by physician that subject has significant bleeding problem;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_27
charc28IntegerRecommendedCCI question 28: Since age of 55, has had any fractures;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_28
charc28a1IntegerRecommendedCCI question 28a1: If CharC28=1, code of first location that was fractured ;please see CharlsonCOPD28aCode1::101=Spine; 2=Hip; 3=Face/Head; 4=Upper extremity; 5=Shoulder; 6=Lower extremity; 7=Pelvis; 10=Some other fracture; 9=Missingcci_28a1
charc28a2IntegerRecommendedCCI question 28a2: If CharC28=1, code of second location that was fractured;please see CharlsonCOPD28aCode1::101=Spine; 2=Hip; 3=Face/Head; 4=Upper extremity; 5=Shoulder; 6=Lower extremity; 7=Pelvis; 10=Some other fracture; 9=Missingcci_28a2
charc28a3IntegerRecommendedCCI question 28a3: If CharC28=1, code of third location that was fractured;please see CharlsonCOPD28aCode1::101=Spine; 2=Hip; 3=Face/Head; 4=Upper extremity; 5=Shoulder; 6=Lower extremity; 7=Pelvis; 10=Some other fracture; 9=Missingcci_28a3
charc28a4String255RecommendedCCI question 28a4: If CharC28a1=10 or CharC28a2=10 or CharC28a3=10, specification of other fracture locationcci_28a1_txt
charc28bIntegerRecommendedCCI question 28b: If 28=1, age in years at time of most recent fracture (-2=Don't know; -3=Refused; -1=Missing)-3::999-2=Don't know; -3=Refused; -1=Missingcci_28b
charc29IntegerRecommendedCCI question 29: Wears eyeglasses or contact lenses;0=No,1=Just for reading,2=All the time,7=Don't know,8=Refused0;1;2;7;8;90=No; 1=Just for reading; 2=All the time; 7=Don't know; 8=Refused; 9=Missingcci_29
charc30IntegerRecommendedCCI question 30: Wears a hearing aid;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_30
charc31IntegerRecommendedCCI question 31: Has smoked any cigarettes in past 6 months;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_31
charc31aIntegerRecommendedCCI question 31a: On average, number of cigarettes smoked per day-1::999-1=Missing
charc32IntegerRecommendedCCI question 32: Noticed any significant problems with memory;0=No,1=Yes0;1;90=No; 1=Yes; 9=Missingcci_32
charc32aIntegerRecommendedCCI question 32a: How frequently has problem with memory;1=Rarely,2=Less than once per wk,3=More than once per wk1;2;3;91=Rarely; 2=Less than once per wk; 3=More than once per wk; 9=Missingcci_32a
charc32bIntegerRecommendedCCI question 32b: How long memory symptoms have persisted;1=Within past 6 mos,2=More than 6 mos and up to 1 yr,3=More than 1 yr and up to 2 yrs,4=More than 2 yrs ago1;2;3;4;91=Within past 6 mos; 2=More than 6 mos and up to 1 yr; 3=More than 1 yr and up to 2 yrs; 4=More than 2 yrs ago; 9=Missingcci_32b
charlson_scoreString50RecommendedFinal Charlson Scorecharlsontot_ssw
pchrlsonFloatRecommendedCharlson variable computed from admissions prior to and including the event
xchrlsonFloatRecommendedCharlson variable computed from the event admission only
pcompString1,000RecommendedComponent variables for the Charlson variable observed on admissions prior to the event
xcompString1,000RecommendedComponent variables for the Charlson variable which were observed on the event admission
aggregatesString1,000RecommendedCombinations of PCOMP and XCOMP variables which are used for final determination of the Charlson score
cci_19b1_otherIntegerRecommendedWere there any other types of cancer? Answer if second cancer0;10=No; 1=Yes
cci_19b2_otherIntegerRecommendedWere there any other types of cancer? Answer if third cancer0;10=No; 1=Yes
cci_28a_otherIntegerRecommendedWere there any other fractures? Answer if second fracture0;10=No; 1=Yes
cci_28a_other2IntegerRecommendedWere there any other fractures? Answer if third fracture0;10=No; 1=Yes
aescodeIntegerRecommendedStaff code number of person completing this formcharlson_interviewer
sub_tob3FloatRecommendedAmount (in # of packs per day)1 pack equals 20 cigarettes/cigarilloscci_31a
comments_miscString4,000RecommendedMiscellaneous comments on study, interview, methodology relevant to this form datacharlson_comments
dodeString10RecommendedDate of Data Entrycharlson_entered
visitString50RecommendedVisit name
charlson1_sswIntegerRecommendedAt present time, do you have any of the following: asthma, emphysema, or chronic bronchitis?Lowest Charlson Weight is 1; Highest Charlson Weight is 1. Study-specific weights may lie outside these ranges.
charlson2_sswIntegerRecommendedAt present time, do you have any of the following: arthritis or rheumatism?Lowest Charlson Weight is 0; Highest Charlson Weight is 1. Study-specific weights may lie outside these ranges.
charlson3_sswIntegerRecommendedAt present time, do you have any of the following: cancer, diagnosed in the past 3 years?Lowest Charlson Weight is 2; Highest Charlson Weight is 6. Study-specific weights may lie outside these ranges.
charlson4_sswIntegerRecommendedAt present time, do you have any of the following: diabetes?Lowest Charlson Weight is 1; Highest Charlson Weight is 2. Study-specific weights may lie outside these ranges.
charlson5_sswIntegerRecommendedAt present time, do you have any of the following: digestive problems (such as ulcer, colitis, or gallbladder disease?Lowest Charlson Weight is 0; Highest Charlson Weight is 1. Study-specific weights may lie outside these ranges.
charlson6_sswIntegerRecommendedAt present time, do you have any of the following: heart trouble (such as angina, congestive heart failure, or coronary artery disease?Lowest Charlson Weight is 0; Highest Charlson Weight is 2. Study-specific weights may lie outside these ranges.
charlson7_sswIntegerRecommendedAt present time, do you have any of the following: HIV illness or AIDSLowest Charlson Weight is 0; Highest Charlson Weight is 6. Study-specific weights may lie outside these ranges.
charlson8_sswIntegerRecommendedAt present time, do you have any of the following: kidney diseaseLowest Charlson Weight is 0; Highest Charlson Weight is 2. Study-specific weights may lie outside these ranges.
charlson9_sswIntegerRecommendedAt present time, do you have any of the following: liver problems (such as cirrhosis)Lowest Charlson Weight is 1; Highest Charlson Weight is 3. Study-specific weights may lie outside these ranges.
charlson10_sswIntegerRecommendedAt present time, do you have any of the following: strokeLowest Charlson Weight is 1; Highest Charlson Weight is 1. Study-specific weights may lie outside these ranges.
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: cci01 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.