Table 3.
Comparison of clinical-radiological features between LN-positive and LN-negative patients in the training and validation cohorts
| Characteristic | Training cohort (n = 102) |
p | Validation cohort (n = 51) |
p | ||
| PLNM(+) | PLNM (-) | PLNM (+) | PLNM (-) | |||
| Age, mean ± SD, years | 50.18 ± 8.92 | 51.64 ± 9.06 | 0.430 | 49.47 ± 9.33 | 50.44 ± 9.73 | 0.959 |
| Clinical stage | 0.023 a | <0.001 a | ||||
| IB | 22 | 49 | 6 | 33 | ||
| IIA | 17 | 14 | 9 | 3 | ||
| Tumor diameter | 0.001 a | <0.001 a | ||||
| ≤4 cm | 16 | 47 | 6 | 32 | ||
| >4 cm | 23 | 16 | 9 | 4 | ||
| MR-reported LN status | <0.001 a | <0.001 a | ||||
| LN-negative | 25 | 61 | 6 | 34 | ||
| LN-positive | 14 | 2 | 9 | 2 | ||
LN, lymph node; PLNM, pelvic lymph node metastasis.
p value is derived from the Chi-square test between each of the clinical variables and LN status.
p < 0.05.