Adverse events (AEs) (2004 and 2008 data pooled) by clinical process and proportions judged preventable, leading to permanent disability (excluding death) and contributed to death
| Classification | No. of AEs | Distribution of AEs (column %*) | Preventable (row %*) | Permanent disability(row %*) | Death (row %*) |
|---|---|---|---|---|---|
| Surgery (events related to an operation or occurring within 30 days after an operation) | 516 | 51.7 | 36.5 | 5.5 | 6.2 |
| Drug/fluid (eg, side effects, allergic reactions, anaphylaxis) | 271 | 18.1 | 22.9 | 3.3 | 10.5 |
| Medical procedure (eg, central catheters, endoscopies, pacemakers,) | 184 | 14.7 | 25.6 | 6.4 | 8.0 |
| Diagnostic (eg, missed, delayed or inappropriate diagnostic process) | 140 | 7.0 | 79.7 | 6.7 | 21.7 |
| Other clinical management (including nursing care and allied healthcare) | 111 | 5.7 | 51.0 | 0 | 10.2 |
| Discharge (eg, inappropriate discharge) | 5 | 1.2 | 100.0 | 0 | 0 |
| Other (eg, fall) | 29 | 1.6 | 64.3 | 0 | 14.3 |
| Total | 1256 | 100.0 | 37.5 | 4.8 | 8.6 |
*Percentages were weighted for oversampling of deceased patients and type of hospital.