Table 3.
Comparison of Prediction of pCR by US, MRI, and US+MRI
| Groups | N | Sensitivity (95% CI) | Specificity (95% CI) | Accuracy (95% CI) | PPV (95% CI) | NPV (95% CI) |
|---|---|---|---|---|---|---|
| US | 1162 | 36.2 (31.6–40.9) | 90.2 (88.1–92.4) | 71.0 (68.4–73.6) | 67.3 (61.1–73.4) | 71.9 (69.0–74.8) |
| MRI | 1031 | 44.4 (39.4–49.5) | 92.9 (90.9–94.9) | 75.6 (72.9–78.2) | 77.7 (62.1–83.3) | 75.0 (72.0–78.0) |
| US+MRI | 962 | 22.5 (18.1–26.9) | 98.0 (96.9–99.1) | 70.5 (67.6–73.4) | 86.8 (79.9–93.8) | 68.8 (65.7–71.8) |
| χ2 | 23.3 | 34.0 | 8.0 | 14.7 | 8.1 | |
| P | <0.001 | <0.001 | 0.018 | <0.001 | 0.017 |