Table 2 Univariate and multivariate analysis of variable factors for 5-year OS
Factors | OS | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|---|
RR | 95% CI | P | RR | 95% CI | P | ||
Radiographic response | <0.001 | ||||||
PR (n = 25) | 96.0 | 0.081 | 0.027-0.239 | 0.133 | 0.037-0.483 | 0.002 | |
SD + PD (n = 95) | 38.8 | 1 | 1 | ||||
Size (cm) | <0.001 | 0.568 | |||||
≥10 (n = 63) | 33.5 | 5.276 | 2.704-10.294 | 1.263 | 0.566-2.818 | ||
<10 (n = 57) | 81.4 | 1 | 1 | ||||
FNCLCC Grade | <0.001 | 0.001 | |||||
Grade 2 (n = 45) | 86.2 | 1 | 1 | ||||
Grade 3 (n = 75) | 38.7 | 6.188 | 2.647-14.467 | 5.146 | 2.028-13.058 | ||
UICC margins | <0.001 | 0.005 | |||||
R0 + R1 (n = 92) | 69.9 | 1 | 1 | ||||
R2 (n = 28) | 6.6 | 8.196 | 4.604-14.591 | 2.384 | 1.301-4.367 | ||
Surgery type | <0.001 | 0.027 | |||||
Resection only (n = 55) | 89.4 | 1 | 1 | ||||
Resection with other modalities* (n = 65) | 26.9 | 9.708 | 4.479-21.042 | 2.986 | 1.133-7.865 | ||