Main cause of potentially preventable drug-related revisit (short explanation, for detailed description see Supporting information S1, Table B) Origin of cause of potentially preventable drug-related revisit Origin of cause of potentially preventable drug-related revisit Origin of cause of potentially preventable drug-related revisit Origin of cause of potentially preventable drug-related revisit
Hospital care Primary care Patient or unclear Total (%)
Inadequate treatment (lack of treatment, undertreatment, too low dose) 13 9 1 23 (27)
Insufficient or no follow-up (or monitoring) 14 8 22 (26)
Non-compliance (intentional and non-intentional) 8 5 8 21 (25)
Lack of investigation or diagnostics 7 3 10 (12)
Inappropriate treatment (wrong or unnecessary treatment) 7 2 9 (11)
Total (%) 49 (58) 27 (32) 9 (11) 85 (100)