Table 5.
Diagnostic Performances according to malignant characteristics.
| Sensitivity | ||
|---|---|---|
| Cancer cases | Validation set (n = 619) | Test set (n = 619) |
| Feature | ||
| mass | 84.1 (285/339) | 86.1 (292/339) |
| calcification | 77.5 (217/280) | 77.9 (218/280) |
| p value* | 0.0385 | 0.0076 |
| Type | ||
| Invasive | 77.9 (422/542) | 79.0 (432/547) |
| Noninvasive | 59.7 (46/77) | 54.2 (39/72) |
| p value** | 0.0005 | <0.0001 |
| Size (invasive) | ||
| ≥20 | 88.6 (225/254) | 88.5 (222/251) |
| <20 | 68.4 (197/288) | 71.0 (210/296) |
| p value** | <0.0001 | <0.0001 |
*Logistic regression using GEE, **chi-square test.