Assessment and follow-up schedule

Entry or index → baseline → assessments → end of follow-up

Flow diagram

Assessment and follow-up scheduleAssessment and follow-up scheduleF1.S1Entry or index definitionF1.S2Baseline assessment windowF1.S3Scheduled follow-upassessmentsF1.S4Unscheduled andevent-triggered assessmentsF1.S5End of treatment orobservationF1.S6Final follow-up and cutoffF1.N1Assessment scheduleAssessmentBaselineFollow-upwindowEvent triggerEnd visitAllowedwindowPrimaryoutcomeSecondaryoutcomeSafetyExposure/adherenceF1.N2Discontinuation and missed visits

Steps

Entry or index definition

Specify entry or index and its relationship to baseline measurement.

Baseline assessment window

Specify timing, allowed windows and measures collected before or at entry.

Scheduled follow-up assessments

Define nominal visits and tolerances; add repeat periods as needed.

Unscheduled and event-triggered assessments

Define triggers, event capture and handling of out-of-window measurements.

End of treatment or observation

Distinguish treatment discontinuation from end of outcome observation.

Final follow-up and cutoff

Specify study closure, safety follow-up and data cutoff.

Tables and supporting information

Assessment schedule

Assessment scheduleAssessmentBaselineFollow-upwindowEvent triggerEnd visitAllowedwindowPrimaryoutcomeSecondaryoutcomeSafetyExposure/adherence

Use study-defined visits and intervals; blank cells do not mean not required.

Discontinuation and missed visits

Define continued outcome collection and missed assessment handling.

Sources