Table 4.
Diagnostic indices of C-reactive protein, white blood cell count, and the neutrophil–lymphocyte ratio in study subjects. CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value
| Blood inflammatory markers | Cut-off value | Sensitivity % (95 % CI) |
Specificity % (95 % CI) |
PPV % (95 % CI) | NPV % (95 % CI) |
|---|---|---|---|---|---|
| C-reactive protein | 8.5 | 84 (74–91) | 77 (63–87) | 74 (60–85) | 86 (76–92) |
| White blood cells | 12.62 × 109 | 75 (65–84) | 75 (61–86) | 65 (65–77) | 83 (73–91) |
| Neutrophil–lymphocyte ratio | 5.97 | 77 (63–97) | 95 (88–99) | 91 (78–97) | 87 (79–93) |