Figure 1: Annotated sample of a Case Report Form (CRF). Annotations are entered in coloured text in this fi gure to differentiate from the CRF questions. DCM = Data collection module, DVG = Discrete value group, YNNA [S1] = Yes, No = Not applicable [subset 1], C = Character, N = Numerical, DT = Date format. For xample, BRTHDTC [DT] indicates date of birth in the date format
![Figure 1: Annotated sample of a Case Report Form (CRF). Annotations are entered in coloured text in this fi gure to differentiate from the CRF questions. DCM = Data collection module, DVG = Discrete value group, YNNA [S1] = Yes, No = Not applicable [subset 1], C = Character, N = Numerical, DT = Date format. For xample, BRTHDTC [DT] indicates date of birth in the date format](articles/2012/44/2/images/Indian J Pharmacol_2012_44_2_168_93842_f2.jpg)