Estimates of hospital-admission-related ambulatory care adverse events and preventable ambulatory adverse events by type and estimation of harm
| Event type | Adverse events | Mean level of harm | Preventable adverse events | Mean level of harm | ||
|---|---|---|---|---|---|---|
| n | % (95% CI) | Mean (95% CI) | n | % (95% CI) | Mean (95% CI) | |
| *Sample size not sufficient for estimation. | ||||||
| Diagnostic | 466 | 17.9 (25.4 to 10.4) | 4.44 (4.61 to 4.27) | 466 | 36.0 (50.2 to 21.8) | 3.43 (3.68 to 3.18) |
| Surgical | 737 | 28.3 (37.1 to 19.5) | 3.16 (3.33 to 2.99) | 312 | 24.1 (36.7 to 11.5) | 4.03 (4.28 to 3.78) |
| Medication | 827 | 31.7 (40.8 to 22.6) | 3.00 (3.17 to 2.83) | 170 | 13.1 (23.1 to 3.1) | 2.57 (2.82 to 2.32) |
| Non-surgical procedures | 222 | 8.5 (14.0 to 3.0) | 3.33 (3.50 to 3.16) | 189 | 14.6 (25.0 to 4.2) | 2.59 (2.84 to 2.34) |
| Therapeutic | 228 | 8.7 (14.2 to 3.2) | 2.50 (2.67 to 2.33) | 159 | 12.3 (22.0 to 2.6) | 3.29 (3.54 to 3.04) |
| Fracture and falls | 88 | 3.4 (6.4 to 0.2) | 3.50 (3.67 to 3.33) | 0 | 0.0 | 0.00 |
| Anaesthesia | 40 | 1.5* | 3.00 (3.17 to 2.83) | 0 | 0.0 | 0.00 |