Fig. 3.

Variation in the reported percentage of hospital admissions caused by ADRs (all studies in unselected patient populations). Graph shows all studies that reported the percentage of hospital admissions caused by ADRs in various settings, excluding those studies that focused on children or the elderly. The median of these studies was 3.6 % and the mean was 4.6 % of all admissions. Light bars indicate that the study used ADEs/DRPs instead of ADRs. ADRs adverse drug reactions, ADE adverse drug event, DRP drug-related problem