Diagnostic value of frozen section for benign, borderline, and malignant lesions (N=1143)
| Diagnostic value (% (95% CI)) | Benign | Borderline | Malignant | Borderline/malignant |
| Accuracy | 97.20 (96.07 to 98.01) | 95.19 (93.79 to 96.28) | 95.01 (93.59 to 96.13) | 97.20 (96.07 to 98.01) |
| Sensitivity | 100 (99.47 to 100) | 87.22 (80.48 to 91.86) | 81.29 (76.44 to 85.34) | 92.51 (89.61 to 94.64) |
| Specificity | 92.51 (89.61 to 94.64) | 96.24 (94.88 to 97.25) | 99.76 (99.15 to 99.94) | 100 (99.47 to 100) |
| Positive predictive value | 95.72 (94.02 to 96.95) | 75.32 (67.95 to 81.46) | 99.17 (97.03 to 99.77) | 100 (99.04 to 100) |
| Negative predictive value | 100 (99.04 to 100) | 98.28 (97.26 to 98.92) | 93.90 (92.15 to 95.29) | 95.72 (94.02 to 96.95) |