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The distribution of risk deciles in the case mix
| Groups | Survivors | Non survivors | Total | ||
|---|---|---|---|---|---|
| Observed (n=187) | Expected | Observed (n=18) | Expected | ||
| 1 | 20 | 20.262 | 1 | 0.738 | 21 |
| 2 | 20 | 20.252 | 1 | 0.748 | 21 |
| 3 | 20 | 20.241 | 1 | 0.759 | 21 |
| 4 | 20 | 20.221 | 1 | 0.779 | 21 |
| 5 | 20 | 20.207 | 1 | 0.793 | 21 |
| 6 | 20 | 20.192 | 1 | 0.808 | 21 |
| 7 | 21 | 20.172 | 0 | 0.828 | 21 |
| 8 | 20 | 20.100 | 1 | 0.900 | 21 |
| 9 | 20 | 19.711 | 1 | 1.289 | 21 |
| 10 | 6 | 5.643 | 10 | 10.357 | 16 |
Hosmer Lemeshow goodness-of-fit test for deciles of mortality risk (H-L X2= 1.410 (df =8), p=0.9)
