Comparison of different outcome measures of predictive rules*
| Risk groups | No of patients(N = 1016) | 30 day mortality(N = 87) | ICU admission(N = 41) | LOS in hospital‡ | ICU-free days§ |
|---|---|---|---|---|---|
| *All data are numbers (%) unless stated otherwise. | |||||
| †p Value (Kruskal-Wallis test for LOS in hospital, ANOVA test for ICU-free days, χ2 test for 30 day mortality and ICU admission). | |||||
| ‡Median (25–75th interquartile range). | |||||
| §Mean (SD). | |||||
| PSI class | |||||
| Low (II–III) | 480 (47.2) | 14 (2.9) | 13 (2.7) | 6 (5.0–9.8) | 29.6 (3.0) |
| Intermediate (IV) | 355 (34.9) | 33 (9.3) | 16 (4.5) | 7 (5.0–10.0) | 28.7 (7.9) |
| High (V) | 181 (17.8) | 40 (22.1) | 12 (6.6) | 8 (5.5–12.0) | 25.0 (9.9) |
| p Value† | <0.001 | 0.063 | <0.001 | <0.001 | |
| CURB65 | |||||
| Low (score 0–1) | 440 (43.3) | 13 (3.0) | 10 (2.3) | 6 (5.0–9.0) | 29.7 (4.5) |
| Intermediate (score 2) | 315 (31.0) | 23 (7.3) | 14 (4.4) | 7 (5.0–10.0) | 28.6 (5.8) |
| High (score 3–5) | 261 (25.7) | 51 (19.5) | 17 (6.5) | 8 (5.0–12.5) | 26.2 (9.9) |
| p Value† | <0.001 | 0.020 | <0.001 | <0.001 | |
| CRB65 | |||||
| Low (score 0) | 128 (12.6) | 3 (2.3) | 5 (3.9) | 6 (4.3–9.8) | 28.8 (1.6) |
| Intermediate (score 1–2) | 783 (77.0) | 58 (7.4) | 26 (3.3) | 7 (5.0–10.0) | 28.8 (6.3) |
| High (score 3–4) | 105 (10.3) | 26 (24.8) | 10 (9.5) | 8 (5.0–13.0) | 24.5 (11.3) |
| p Value† | <0.001 | 0.010 | 0.007 | <0.001 | |