Open access
Sep 2026
Imputing longitudinal PROM data at the item and score level in clinical trials
Differences between item-level and score-level imputation were generally modest, although score-level imputation tended to yield slightly lower RMSE and bias magnitudes under more severe missingness conditions.
C. Veltri, U. Grittner, P. Gebert
· BMC Medical Research Methodo... · 0 citations