Table 4 Multivariate Cox regression analysis of factors possibly influencing cancer specific survival in patients with RCC.
stepwise reverse selection | ||||
|---|---|---|---|---|
adjusted HR | 95% CI | P | ||
Age | 0.03 | |||
YP (≤45 years) | 0.21 | 0.11 – 0.89 | ||
OP (≥75 years) | 1.00 | (reference) | ||
pTNM stage | 0.01 | |||
pT1+pT2 | 1.00 | (reference) | ||
pT3+pT4 | 2.82 | 0.74 – 10.49 | ||
Nodal status | 0.04 | |||
N0 | 1.00 | (reference) | ||
N1, N2 | 2.37 | 0.95 – 5.69 | ||
M status | < 0.001 | |||
M0 | 1.00 | (reference) | ||
M1 | 20.61 | 3.32 – 127.78 | ||
Grade | < 0.001 | |||
G1+G2 | 1.00 | (reference) | ||
G3 | 1.65 | 0.18 – 15.08 | ||
Tumor diameter | < 0.01 | |||
< 7 cm | 1.00 | (reference) | ||
≥7 cm | 1.88 | 0.46 – 11.18 | ||
Histological subtype | ||||
Clear-cell | 1.00 | (reference) | ||
Papillary | 0.78 | 0.14 – 3.48 | 0.67 | |
Chromophobe | 1.02 | 0.21 – 5.75 | 0.90 | |
Other histological types | 0.68 | 0.06 – 6.56 | 0.71 | |
Sex | ||||
Male | 1.00 | (reference) | ||
Female | 0.52 | 0.38 – 2.01 | 0.35 | |
Clinical presentation | ||||
Asymptomatic | 1.00 | (reference) | ||
Symptomatic | 0.67 | 0.09 – 2.33 | 0.49 | |