Table III.
A summary of receiver operating characteristic curve analysis using PCT, CRP, WBC and N% to predict local infection in patients with type 2 diabetes.
| Indicator | AUC | P-value | 95% CI | Cutoffa | Sensitivity (%)a | Specificity (%)a |
|---|---|---|---|---|---|---|
| PCT | 0.804 | <0.001 | 0.719–0.889 | 0.046b | 70.0 | 73.9 |
| 0.500b | 21.8 | 100.0 | ||||
| CRP | 0.741 | <0.001 | 0.643–0.839 | 8.2c | 69.1 | 69.6 |
| 10.0c | 64.1 | 76.1 | ||||
| WBC | 0.687 | 0.005 | 0.580–0.793 | 7.41d | 60.9 | 73.9 |
| 10.00d | 32.3 | 91.3 | ||||
| N% | 0.696 | 0.003 | 0.601–0.791 | 70.8e | 58.2 | 87.0 |
| 75e | 41.8 | 91.3 |
a
Bold values denote the sensitivity and specificity at the classical cutoff.
b
Values are ng/ml.
c
Values are mg/l.
d
Values are ×109 cells/l.
e
Values are %. AUC, area under the curve; CI, confidence interval; CRP, C-reactive protein; N%, neutrophil percent; PCT, procalcitonin; WBC, white blood cells.