# Duration

Use this option determine dates to use for inclusion of adverse events in the analysis. Time to adverse events calculation will use study days that occur on treatment (Days of Exposure) or those that occur on study (Days on Study).

Days of Exposure is based on treatment start date to treatment end date. Variables used for start date are TRTSDTM, TRTSDT, RFXSTDTC, or EXSTDTC. Variables used for end date are TRTEDTM, TRTEDT, RFXENDTC, or EXENDTC.

Days on Study is based on study start date to study end date. Variables used are RFSTDTC and RFENDTC, respectively.

A note at the top of the report window will indicate the variables used in the analysis.