| Variable NameVariable Name | Variable Label | Type | Codelist/Controlled Terms/Format | Source | Derivation/Comment |
|---|
| STUDYID | Study Identifier | Char |
| CV.STUDYID |
|
| USUBJID | Unique Subject Identifier | Char |
| | Select for records with RE data. | ASEQ | Analysis Sequence Number | Num | CV.CVSEQ | Number records 1 to n after sorting by keys. |
| BRTHDT | Date of Birth | Num | Date9. | ADSL.BRTHDTC | | Num | Date9. | ADSL.BRTHDT Convert BRTHDTC from ISO 8601 format to numeric date. (Note that if exact date is not found then use two variables to capture year and month.) |
|
| TRT01P | Planned Treatment for Period 01 | Char | Treatment A, Treatment B | ADSL.TRT01P |
|
ITTFL | Intent-To-Treat Population Flag | Char | Y; N | ADSL.ITTFL | |
HEIGHTVHEIGHT | Height (cm) at Visit | Num |
|
| Set to VS.VSSTRESN where VS.VSTEST = "HEIGHT" and merge by visit. |
WEIGHTVWEIGHT | Weight (kg) at Visit | Num |
|
| Set to VS.VSSTRESN where VS.VSTEST = "WEIGHT" and merge by visit. |
| BSA | Body Surface Area (m2) by Visit | Num |
|
| Computed Compute from HEIGHTV HEIGHT and WEIGHTV WEIGHT by visit, using the Du Bois method. BSA = 0.007184 × W0.425 × H0.725 Note that there are multiple methods and the study protocol should describe which one to use (e.g., Mosteller, Haycock, Gehan & George, Boyd, Fujimoto, Takahira, and Schlich)., Takahira, and Schlich). |
ACEINHFL | ACE Inhibitor Medications Flag | Char | Y | ADSL.ACEINHFL | ACEINHFL | ACE Inhibitor Medications Flag | Char | Y | Select a list of ACE inhibitor medications from concomitant medications (CM) domain, and from treatment (EX or EC) domains. Code "Y" if the medication was taken during the study. Can be used to subset or to exclude the population who took ACE inhibitors. |
|
| PARAM | Parameter | Char | Left Ventricular Ejection Fraction, Calculated (%); Right Ventricular Ejection Fraction, Calculated (%); N-Terminal ProB-type Natriuretic Peptide (pg/mL) |
| For tests from CV, set to the values of CV.CVTEST plus CV.CVTESTU with spaces and parentheses as shown. For tests from LB, set to the value of LB.LBTEST plus LB.LBTESTU with spaces and parentheses as shown. |
| PARAMCD | Parameter Code | Char | LVEFC; RVEFC; BNPPRONT |
| If CV.CVTESTCD = "LVEF_C" then PARAMCD = "LVEFC" If CV.CVTESTCD = "RVEF_C" then PARAMCD = "RVEFC" If LB.LBTESTDC = "BNPPRONT" then PARAMCD = "BNPPRONT Note: for this example dataset, select the records where the test values shown above are included. |
| PARAMN | Parameter (N) | Num |
|
| Number PARAMCD as follows: LVEFC = "1" RVEFC = "2" BNPPRONT = "3" |
| AVAL | Analysis Value | Num |
|
| See Parameter Value List |
| AVISIT | Analysis Visit | Char |
|
| If CV.VISIT = "VISIT 1" then AVISIT = "Visit 1 (Baseline)". Else if CV.VISIT = "VISIT 6" then AVISIT = "Visit 6 (1 Year)". |
| AVISITN | Analysis Visit (N) | Num |
| Set to value of CV.VISITNUM or LB.VISITNUM |
|
| VISIT | Visit | Num |
| CV.VISIT LB.VISIT |
|
| ADT | Analysis Date | Num | date9. |
| Date portion of CV.CVDTC or LB.LBDTC converted to numeric and displayed in a format such as date9. |
| ABLFL | Baseline Record Flag | Char | Y |
| If CV.VISIT = "VISIT 1" then ABLFL = "Y". |
| BASE | Baseline Value | Num |
|
| Set BASE to AVAL from the record for that subject and parameter where ABLFL = "Y". Populate BASE for additional visits by carrying forward merging the value of BASE in the baseline record by USUBJID and AVISITPARAMCD. |
| CHG | Change from Baseline | Num |
|
| Compute CHG = AVAL - BASE for that record. Only compute for post-baseline records. |
| PCHG | Percent Change from Baseline | Num |
|
| Compute PCHG = (CHG / BASE) * 100. Only compute for post-baseline records. |
| CHGCAT1 | Change from Baseline Category 1 | Char | Decline >=5; Decline < 5; Increase | Categorize the value of CHG for Left Ventricular Ejection Fraction, and Calculated (%) (LVEFC) and for Right Ventricular Ejection Fraction, Calculated (%) (RVEFC) | 5% ; Decline <5% Increase GT 100 pg/mL
|
| See PVLM table. | CHGCAT2 | Change from Baseline Category 2 | Chart | Categorize the value of CHG for N-Terminal ProB-type Natriuretic Peptide (pg/mL) (BNPPRONT) |
| SRCDOM | Source Data | Char | CV; LB |
| Set to the SDTM domain name that relates to the analysis value. |
| SRCVAR | Source Variable | Char |
|
| Set to the SDTM variable that relates to the analysis value. |
| SRCSEQ | Source Sequence Number | Num |
| CV.CVSEQ LB.LBSEQ | Set to the SDTM domain sequence number that relates to the analysis value. |