TABLE 4.
Co-variate | Dicothomization | Median survivals (months) | No. of events/Patients | P at univariate | HR | 95% CI | P at multivariate |
Age | ≥65 vs. <65 years | 26.0 vs. 46.0 | 79/157 vs. 31/87 | 0.0641 | 1.44 | 0.97–2.14 | 0.0290 |
Gender | M vs. F | 44.0 vs. 30.0 | 50/117 vs. 60/127 | 0.5736 | 0.89 | 0.61–1.31 | 0.7122 |
Side | L vs. R | 46.0 vs. 32.0 | 70/151 vs. 40/93 | 0.2113 | 1.27 | 0.86–1.88 | 0.3271 |
Metastatic involvment | >1 vs. 1 site | 33.0 vs. 28.0 | 44/81 vs. 66/163 | 0.0875 | 1.42 | 0.94–2.13 | 0.7863 |
Response to first-line CT | DC vs. no DC | 46.0 vs. 15.0 | 62/154 vs. 36/62 | <0.0001 | 0.34 | 0.20–0.56 | <0.0001 |
KRAS mutations | Mutated vs. wild-type | 30.0 vs. 42.0 | 65/134 vs. 45/110 | 0.0495 | 1.46 | 1.00–2.13 | 0.2993 |
T2D | Present vs. not present | 12.0 vs. 42.0 | 32/50 vs. 78/194 | 0.0001 | 2.91 | 1.72–4.94 | 0.4165 |
BMI | ≥25 kg/m2 vs. normal | 22.0 vs. 45.0 | 64/120 vs. 46/124 | 0.0040 | 1.75 | 1.19–2.58 | 0.2054 |
HT | Present vs. not present | 26.0 vs. 42.0 | 57/110 vs. 53/134 | 0.0838 | 1.40 | 0.95–2.06 | 0.5681 |
Cluster of T2D, BMI, HT | Present vs. not present | 12.0 vs. 42.0 | 25/40 vs. 85/204 | <0.0001 | 4.56 | 2.40–8.67 | 0.0217 |
CI, confidence interval; DC, disease control; F, female; HR, hazard ratio; L, left; M, male; R, right.