Performance of the APACHE-II score: Goodness of fit of general APACHE-II model using Hosmer-Lemeshow χ2 statistic test
| Probability of death (a) | Cases, n | Deaths, n | Survivors, n | ||
| Observed | Predicted | Observed | Predicted | ||
| ≤0.20 | 19 | 1 | 2.55 | 18 | 16.45 |
| >0.20–0.40 | 75 | 19 | 22.22 | 56 | 52.78 |
| >0.40–0.60 | 64 | 29 | 31.01 | 35 | 32.99 |
| >0.60–0.80 | 79 | 57 | 56.18 | 22 | 22.82 |
| >0.80 | 78 | 65 | 68.61 | 13 | 9.39 |
The Hosmer-Lemeshow test was 3.62 (not statistically significant).
APACHE-II, Acute Physiology and Chronic Health Evaluation II.