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Table 1 Feasibility, yield, usefulness and reliability per method

From: Mix of methods is needed to identify adverse events in general practice: A prospective observational study

Method Feasibility Yield Usefulness Reliability*
General Practitioners registering events +/- +/- - Different kind of events
- Setting areas for improvement per practice in patient safety
-
Pharmacist registering events + - - Only medication errors
- Guidance in improving patient safety in prescribing medication
-
Patients' questionnaire about patient safety ++ + - Different kind of events
- Revealing GPs' blind spots
- Setting areas for improvement per practice in patient safety
+/-
Random audit of medical records +/- + - Mostly therapeutic and communication events
- Time consuming
+
Audit of medical records of deceased patients + +/- - Different kind of events
- Low number of patients
-
  1. *Is this measure a reliable estimate for the actual number of events in general practice