A double-blind study has an open-label extension. In one BDS approach, both ADSL treatment variables and record-level TRTP are included:
| USUBJID | APERIOD | ADT | TRTP | TRT01P | TRT02P |
|---|---|---|---|---|---|
| 1002 | 1 | 05JUL2007 | Placebo | Placebo | Drug X 5 mg |
| 1002 | 2 | 17AUG2007 | Drug X 5 mg | Placebo | Drug X 5 mg |
Which analysis question does TRTP support here?