Variables | Univariable cox regression | Multivariable cox regression (backward stepwise) | ||
---|---|---|---|---|
HR (95% CI) | p value | HR (95% CI) | p value | |
Age (years) | 0.993 (0965–1.023) | 0.646 | ||
BMI (kg/m2) | 0.939 (0.875–1.008) | 0.081 | 0.975 (0.906–1.050) | 0.508 |
Volume(ml) | 1.005 (0.995–1.015) | 0.349 | ||
TPSA (ng/ml) | 1.016 (1.013–1.018) | < 0.001 | 1.012 (1.009–1.016) | < 0.001 |
Surgical approach | ||||
ORP | 1.000 (Ref.) | 0.979 | ||
LRP | 1.006 (0.665–1.521) | |||
Gleason score | ||||
< 8 | 1.000 (Ref.) | < 0.001 | 1.000 (Ref.) | < 0.001 |
≥ 8 | 7.796 (4.702–12.925) | 4.629 (2.718–7.883) | ||
pT stage | ||||
T2 | 1.000 (Ref.) | < 0.001 | 1.000 (Ref.) | < 0.001 |
T3 | 3.239 (2.136–4.911) | 2.526 (1.614–3.955) | ||
Surgical margin | < 0.001 | < 0.001 | ||
NSM | 1.000 (Ref.) | 1.000 (Ref.) | ||
AM | 2.687 (1.443–5.005) | 0.002 | 4.192 (2.185–8.042) | < 0.001 |
OM | 3.147 (1.689–5.862) | <0.001 | 1.501 (0.794–2.838) | 0.211 |
MM | 4.530 (2.702–7.595) | <0.001 | 2.758 (1.559–4.880) | < 0.001 |
Perineural invasion | ||||
No | 1.000 (Ref.) | < 0.001 | 0.369 | |
Yes | 2.503 (1.669–3.753) | 1.219 (0.791–1.877) |