Distribution of patients and 30 day mortality in each risk class of predictive rules*
| Risk groups | Number of patients(N = 1016) | 30 day mortality(N = 87) |
|---|---|---|
| *All data are numbers (%) unless stated otherwise. | ||
| †p value (χ2 test for 30 day mortality). | ||
| PSI class | ||
| I | 0 (0) | 0 (0) |
| II | 242 (23.8) | 2 (0.8) |
| III | 238 (23.4) | 12 (5) |
| IV | 355 (34.9) | 33 (9.3) |
| V | 181 (17.8) | 40 (22.1) |
| p value† | <0.001 | |
| CURB65 | ||
| 0 | 107 (10.5) | 1 (0.9) |
| 1 | 333 (32.8) | 12 (3.6) |
| 2 | 315 (31) | 23 (7.3) |
| 3 | 189 (18.6) | 31 (16.4) |
| 4 | 64 (6.3) | 17 (26.6) |
| 5 | 8 (0.8) | 3 (37.5) |
| p value† | <0.001 | |
| CRB65 | ||
| 0 | 128 (12.6) | 3 (2.3) |
| 1 | 489 (48.1) | 25 (5.1) |
| 2 | 294 (28.9) | 33 (11.2) |
| 3 | 95 (9.4) | 22 (23.2) |
| 4 | 10 (1) | 4 (40) |
| p value† | <0.001 | |