MetricKPI Compass StandardApprovedInternal
Persistency
The duration of time from treatment initiation until treatment discontinuation.
Definition
Medication persistence describes how long a patient continues a therapy. Claims-based implementations usually measure time from initiation until a discontinuation rule is met, often after a permissible gap without available medication.
Formula
Time from therapy initiation to discontinuation
Sources
- ISPORVerified 2026-08-04
- ISPOR (secondary)