Table 1.
Numbers of patients and events in study of potentially preventable hospital and Emergency Department eventsa
| Group | Patients | Events | ||
|---|---|---|---|---|
| N (%) | Total | ED visit | Hospitalization | |
| N (%) | N (%) | N (%) | ||
| At participating medical groups | 2620 | — | — | — |
| Patients with events in the study period | 978 (37.3) | 2286 | 1366 | 920 |
| Selected for audit | 522 (53.4) | 954 (41.7) | 504 (36.8) | 450 (48.9) |
| With events eligible for audit | 406 (77.8) | 456 (47.8) | 247 (49.0) | 209 (46.4) |
| Completely audited | 373 (91.8) | 389 (85.3) | 214 (86.6) | 175 (83.7) |
| With PPE | 107 (28.7) | 109 (28.0) | 84 (39.2) | 25 (14.3) |
a
Each percentage is in relation to the row above.
ED = Emergency Department; PPE = potentially preventable events—a problem that might not have occurred or might have been managed at home or in clinic if the care manager had been aware of it in the prior two weeks.