Table 1.
Characteristics of patients in primary and validation cohorts.
| Characteristic | Training cohort (n = 250) | Validation cohort (n = 62) | ||||
|---|---|---|---|---|---|---|
| Negative for ALN metastasis | Positive for ALN metastasis | P value | Negative for ALN metastasis | Positive for ALN metastasis | P value | |
| Age | 49.171 ± 9.443 | 47.439 ± 9.697 | 0.162 | 52.132 ± 9.062 | 49.792 ± 11.580 | 0.378 |
| Max diameter | 2.071 ± 0.855 | 2.283 ± 0.799 | 0.051 | 1.853 ± 0.581 | 2.588 ± 0.852 | <0.001 |
| RAD_Sig | 0.334 ± 0.0830 | 0.508 ± 0.135 | <0.001 | 0.344 ± 0.101 | 0.445 ± 0.120 | <0.001 |
| Menopausal state | 0.423 | 0.178 | ||||
| 0 | 90 (0.592) | 63 (0.643) | 17 (0.447) | 15 (0.625) | ||
| 1 | 62 (0.408) | 35 (0.357) | 21 (0.553) | 9 (0.375) | ||
| MR reported _ALN status | <0.001 | <0.001 | ||||
| 0 | 131 (0.862) | 43 (0.439) | 31 (0.816) | 9 (0.375) | ||
| 1 | 21 (0.138) | 55 (0.561) | 7 (0.184) | 15 (0.625) | ||