Research Article
Evaluation of the HB&L System for the Microbiological Screening of Storage Medium for Organ-Cultured Corneas
Table 2
Sensitivity, specificity, predictive values and likelihood ratios.
| Parameters | Formula | Value (95% CI) |
| Sensitivity (Se) (%) | | 95.5 (90.4–98.3) | Specificity (Sp) (%) | | 99.9 (99.8–99.9) | Positive predictive value (PPV) (%) | | 96.2 (93.7–97.9) | Negative predictive value (NPV) (%) | | 99.8 (99.7–99.9) | Positive likelihood ratio (LR+) | | 717.7 (424.6–1212.9) | Negative likelihood ratio (LR−) | | 0.05 (0.02–0.10) |
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TP: true positive; FN: false negative; FP: false positive; C: prevalence.
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