återfallsperiod
Återfallsperiod is a term used primarily in medical contexts to describe the interval between successive episodes of a disease after a period of remission or inactivity. It refers to how long elapses before a relapse or recurrence occurs and can be used to compare the relapse risk across treatments, patient groups, or disease subtypes. The exact definition of what constitutes a relapse can vary by condition, so the term is often used with field-specific nuances.
The concept appears in several medical disciplines. In oncology, the period until cancer returns after achieving
Measurement and analysis typically treat återfallsperiod as time-to-event data. It is commonly summarized by the median
Notes on usage emphasize that definitions and endpoints can differ by disease, affecting comparability. Factors such