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三种IHC评分方法检测21外显子点突变的相关数据比较
Comparison of three different criteria in detecting EGFR E21 mutation by IHC
| Criteria | Sensitivity | Specificity | PPV | NPV | Cohen’s Kappa 95%CI |
| A | 40.0% | 100.0% | 100.0% | 74.6% | 0.460 (0.265, 0.657) |
| B1 | 46.7% | 100.0% | 100.0% | 76.8% | 0.528 (0.331, 0.719) |
| B2 | 23.3% | 100.0% | 100.0% | 69.7% | 0.280 (0.071, 0.461) |
