Table 3.
Hosmer-Lemeshow goodness-of-fit test H for Simplified Acute Physiology Score II. The table is collapsed on fixed values of the estimated probabilities (statistics: χ2 = 584.4, P < 0.001)
| Predicted probability | Observed and expected frequencies by deciles (n) |
Total (n) | |||
|---|---|---|---|---|---|
| observed survivors | expected survivors | observed deaths | expected deaths | ||
| 0.00-0.10 |
231 |
265.771 |
46 |
11.229 |
277 |
| >0.10-0.20 |
234 |
254.501 |
36 |
15.499 |
270 |
| >0.20-0.30 |
240 |
253.425 |
34 |
20.575 |
274 |
| >0.30-0.40 |
189 |
199.198 |
31 |
20.802 |
220 |
| >0.40-0.50 |
297 |
268.910 |
13 |
41.090 |
310 |
| >0.50-0.60 |
272 |
235.181 |
27 |
63.819 |
299 |
| >0.60-0.70 |
184 |
138.415 |
15 |
60.585 |
199 |
| >0.70-0.80 |
347 |
233.816 |
5 |
118.184 |
352 |
| >0.80-0.90 |
317 |
210.610 |
13 |
119.390 |
330 |
| >0.90-1.00 |
88 |
59.722 |
137 |
165.278 |
225 |
| 2399 | 357 | 2756 | |||