Research Article
Evaluating the Use of Serum Inflammatory Markers for Preoperative Diagnosis of Infection in Patients with Nonunions
Table 2
Sensitivity, specificity, and positive and negative predictive values of each test.
| | Test | Sensitivity (95% CI) | Specificity (95% CI) | Positive predictive value (PPV) (95% CI) | Negative predictive value (NPV) (95% CI) |
| | WBC | 22.9% (11.04–40.55) | 85.7% (42.01–99.25) | 88.9% (50.67–99.42) | 18.2% (7.62–36.08) | | CRP | 60.0% (42.21–75.65) | 85.7% (42.01–99.25) | 95.5% (75.12–99.76) | 30.0% (12.84–54.33) | | IL-6 | 57.1% (39.52–73.24) | 57.1% (20.24–88.19) | 87.0% (65.33–96.57) | 21.1% (6.97–46.10) | | ESR | 37.1% (21.99–55.05) | 71.4% (30.26–94.89) | 86.7% (58.39–97.66) | 18.5% (7.03–38.75) |
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95% CI: 95% confidence interval.
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