Table 3 Performance of different POSPOM cutoff values for the prediction of major complication
POSPOM score ≥ | Sensitivity | Specificity | NPV | PPV | Number of patients (n) | Major complication (CD grade III-V) (n) |
|---|---|---|---|---|---|---|
6 | 100.0 | 0.0 | 100.0 | 6.6 | 2463 | 162 |
8 | 99.4 | 0.1 | 75.0 | 6.5 | 2460 | 161 |
10 | 99.4 | 0.4 | 90.0 | 6.6 | 2454 | 161 |
12 | 98.8 | 1.3 | 93.9 | 6.6 | 2431 | 160 |
14 | 98.8 | 2.3 | 96.4 | 6.6 | 2408 | 160 |
16 | 96.9 | 4.7 | 95.6 | 6.7 | 2350 | 157 |
18 | 95.7 | 8.6 | 96.6 | 6.9 | 2259 | 155 |
20 | 90.1 | 21.0 | 96.8 | 7.4 | 1964 | 146 |
22 | 85.8 | 34.9 | 97.2 | 8.5 | 1638 | 139 |
24 | 74.1 | 49.2 | 96.4 | 9.3 | 1290 | 120 |
26 | 63.0 | 62.9 | 96.0 | 10.7 | 956 | 102 |
28 | 45.1 | 74.2 | 95.1 | 11.0 | 666 | 73 |
30 | 28.4 | 84.2 | 94.4 | 11.2 | 409 | 46 |
32 | 14.2 | 92.8 | 93.9 | 12.2 | 188 | 23 |
34 | 7.4 | 96.7 | 93.7 | 13.6 | 88 | 12 |
35 | 3.1 | 98.0 | 93.5 | 9.6 | 52 | 5 |
36 | 3.1 | 98.6 | 93.5 | 13.2 | 38 | 5 |
38 | 1.9 | 99.5 | 93.5 | 20.0 | 15 | 3 |
40 | 0.6 | 99.7 | 93.4 | 12.5 | 8 | 1 |
42 | 0.0 | 100.0 | 93.4 | 0.0 | 1 | 0 |