Mortality | p Value | ||
---|---|---|---|
Development Population | Validation Population | ||
Overall initial risk class | 108/472 (22.9%) | 148/511 (29.0%) | 0.03 |
I | 6/153 (3.9%) | 10/122 (8.2%) | 0.13 |
II | 63/253 (24.9%) | 62/272 (22.8%) | 0.57 |
III | 39/66 (59.1%) | 76/117 (65.0%) | 0.43 |
Adjustment in each initial risk class | |||
Class I Adjustment risk score < or =2 points Adjustment risk score > 2 points |
2/145 (1.4%) 4/8 (50%) |
4/104 (3.9%) 6/18 (33.3%) |
0.24 0.66 |
Class II Adjustment risk score = 0 point Adjustment risk score = 1 or 2 points Adjustment risk score > 2 points |
3/149 (2.0%) 24/62 (38.7%) 36/42 (85.7%) |
4/131 (3.1%) 8/62 (12.9%) 50/79 (63.3%) |
0.71 0.001 0.01 |
Class III Adjustment risk score < or = 2 points Adjustment risk score > 2 points |
25/51 (49%) 14/15 (93.3%) |
43/77 (55.8%) 33/40 (82.5%) |
0.45 0.42 |