Table 2.
Univariate and multivariate Cox regressional analyses for prognostic factors of distant metastases-free survival in patients with localised resectable RIAS
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR (95% CI) | p value | HR (95% CI) | p value | |
| Age (years) | ||||
| <70 | Reference | – | * | * |
| ≥70 | 1.06 (0.98–1.15) | 0.146 | * | * |
| Positive margins | ||||
| No | Reference | – | * | * |
| Yes | 4.20 (1.12–15.67) | 0.033 | * | * |
| Tumour size (cm) | ||||
| <5 | Reference | – | Reference | – |
| ≥5 | 5.70 (1.18–27.50) | 0.030 | 5.70 (1.18–27.50) | 0.030 |
| Treatment | ||||
| Surgery | Reference | – | * | * |
| Surgery + chemotherapy | 2.08 (0.46–9.51) | 0.344 | * | * |
*Not included in model generated by forward stepwise combination