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Clinicopathological features associated with low stromal component according to multivariate logistic regression analysis.
| Developing cohort | Validation cohort | |||
|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | |
| Intratumoral necrosis, with vs. without | 3.530 (1.953–6.379) | <0.001 | 3.890 (2.097–7.217) | <0.001 |
| R status, R1 vs. R0 | 2.281 (1.219–4.265) | 0.01 | 2.034 (1.059–3.910) | 0.033 |
CI, confidence interval; OR, odds ratio. The bold value means significant difference (P < 0.05).
