Empirical validation of the reverse parametric waiting time distribution and standard methods to estimate prescription durations for warfarin.
Julie Maria ThraneEeva-Liisa Røssell JohansenMaja HellfritzschNina Sahlertz KristiansenJesper HallasPublished in: Pharmacoepidemiology and drug safety (2018)
Comparing the different methods, the rWTD algorithm performed best and led to unbiased estimates of prescribed doses and thus prescription durations and reduced misclassification on the individual level upon inclusion of covariates.