Table 3 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§ |
|---|---|---|---|---|---|
| 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 |
*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).