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Manual measurement of the cortical diameter between the positive and negative LN metastasis groups
| Variables | Positive LN metastasis | Negative LN metastasis | P-value |
|---|---|---|---|
| Manual measurement of cortical diameter | |||
| Training cohort (mm) | 4.320 ± 1.298 | 4.021 ± 1.435 | 0.1811 |
| Validation cohort (mm) | 4.667 ± 1.236 | 3.820 ± 1.191 | 0.0132* |
Data are expressed as mean ± standard deviation. *indicates statistical significance. LN, lymph node.
