Table 2.
Uni- and multivariate Cox regression analysis regarding overall survival
| Univariate Cox Regression | Multivariate Cox Regression adjusted fora | |||
|---|---|---|---|---|
| Hazard Ratio (95% CI) | p-value | Hazard Ratio (95% CI) | p-value | |
| Overall survival | ||||
| SARIFA | 1.570 (1.082–2.278) | 0.018 | 1.637 (1.103–2.429) | 0.014 |
| Age | 1.032 (1.012–1.053) | 0.002 | ||
| Grading | 2.159 (1.553–3.000) | < 0.001 | 2.042 (1.465–2.847) | < 0.001 |
| Sex | 0.976 (0.687–1.386) | 0.891 | ||
| L | 1.089 (0.747–1.588) | 0.659 | 1.003 (0.676–1.489) | 0.987 |
| V | 1.447 (0.926–2.262) | 0.105 | 1.256 (0.787–2.004) | 0.340 |
| n | 1.386 (0.829–2.318) | 0.213 | ||
| pT | 1.241 (0.922–1.672) | 0.154 | 1.255 (0.902–1.747) | 0.178 |
| pN | 1.190 (0.930–1.522) | 0.166 | 1.185 (0.926–1.517) | 0.178 |
| Adjuvant therapy | 0.313 (0.202–0.485) | < 0.001 | ||
| cM | 0.881 (0.619–1.256) | 0.484 | ||
| R | 1.312 (0.919–1.873) | 0.135 | ||
CI Confidence interval, L Lymphovascular invasion, V Vascular invasion, Pn Perineural invasion, pT Pathological assessment of extension of primary tumour (according to the 8th UICC staging system), pN Pathological assessment of lymph node metastasis (according to the 8th UICC staging system), cM Distant metastasis, R Residual tumour
aThe multivariate model was adjusted for SARIFA, grading, pT, pN, L, and V