Table 6.
The main characteristics of different grading systems.
| Grading System | Sensitivity(%) | Specificity(%) | PPV | PLR | DOR |
|---|---|---|---|---|---|
| SAP | |||||
| Ascites volume ≥344 ml | 93 (84, 98) | 79 (59, 92) | 90 (80, 96) | 4.4 (2.1, 8.9) | 51.3 (13.2, 199.6) |
| BISAP ≥2 | 87 (75, 94) | 57 (37, 76) | 81 (70, 90) | 2.0 (1.3, 3.1) | 8.7 (3.0, 24.9) |
| APACHE II | |||||
| ≥8 | 57 (43, 69) | 71 (51, 87) | 81 (66, 91) | 2.0 (1.1, 3.7) | 3.3 (1.2, 8.6) |
| ≥10 | 42 (29, 55) | 93 (77, 99) | 93 (76, 99) | 5.8 (1.5, 22.9) | 9.3 (2.0, 42.8) |
| CRP level | |||||
| ≥150 mg/L | 48 (35, 62) | 86 (67, 96) | 88 (72, 97) | 3.4 (1.3, 8.7) | 5.6 (1.7, 18.1) |
| ≥115 mg/L | 63 (50, 75) | 79 (59, 92) | 86 (73, 95) | 3.0 () | 6.3 (2.2, 18.0) |
| PCT level | |||||
| ≥0.43ng/L | 77 (64, 87) | 68 (48, 84) | 84 (71, 92) | 2.4 (1.4, 4.2) | 6.9 (2.6, 18.7) |
The confidence interval in brackets is 95%. PPV – positive predictive value; PLR – positive likelihood ratio; DOR – diagnostic advantage ratio.