Table 4 Performance of CAHP-Score at different cut-off points
CAHP category |  > I |  > II |
|---|---|---|
| Â | Cut-off 150 points | Cut-off 200 points |
A: mortality at 2Â years | Â | Â |
 Total number of patients n | 229 | 92 |
 2-year survivors n (%) | 37 (16.2) | 5 (5.4) |
 Death within 2 years n (%) | 192 (83.8) | 87 (94.6) |
 Sensitivity | 79.7 (74.0, 84.6) | 36.1 (30.0, 42.5) |
 Specificity | 78.7 (71.9, 84.6) | 97.1 (93.4, 99.1) |
 PPV | 83.8 (78.4, 88.4) | 94.6 (87.8, 98.2) |
 NPV | 73.7 (66.7, 79.8) | 52.3 (46.7, 57.9) |
 LLR +  | 3.75 (2.80, 5.02) | 12.56 (5.21, 30.29) |
 LLR− | 0.26 (0.20, 0.34) | 0.66 (0.60, 0.73) |
B: mortality at 6Â years | ||
 Total number of patients n | 200 | 90 |
 6-year survivors n (%) | 8 (4.0) | 3 (3.3) |
 Death within 6 years n (%) | 192 (96.0) | 87 (96.7) |
 Sensitivity | 79.7 (74.0, 84.6) | 36.1 (30.0, 42.5) |
 Specificity | 84.3 (71.4, 93.0) | 94.1 (83.8, 98.8) |
 PPV | 96.0 (92.3, 98.3) | 96.7 (90.6, 99.3) |
 NPV | 46.7 (36.3, 57.4) | 23.8 (18.1, 30.2) |
 LLR +  | 5.08 (2.68, 9.63) | 6.14 (2.02, 18.63) |
 LLR− | 0.24 (0.18, 0.32) | 0.68 (0.60, 0.76) |
C: neurological outcome at 2Â years | ||
 Total number of patients n | 213 | 91 |
 Good neurological outcome n (%) | 20 (9.4) | 3 (3.3) |
 Poor neurological outcome n (%) | 193 (90.6) | 88 (96.7) |
 Sensitivity | 79.1 (73.5, 84.0) | 36.1 (30.0, 42.4) |
 Specificity | 77.5 (67.4, 85.7) | 96.6 (90.5, 99.3) |
 PPV | 90.6 (85.9, 94.2) | 96.7 (90.7, 99.3) |
 NPV | 57.5 (48.1, 66.5) | 35.5 (29.5, 41.9) |
 LLR +  | 3.52 (2.38, 5.21) | 10.70 (3.47, 32.95) |
 LLR− | 0.27 (0.21, 0.35) | 0.66 (0.60, 0.73) |