|
Parameter
|
HR
|
95% CI
|
p-value
|
|---|
|
Age (years)
|
0.945
|
0.892–1.000
|
0.049
|
|
IOM (mm2/cm2) (low vs. high)
|
0.891
|
0.462–1.719
|
0.731
|
|
BMI (kg/m2)
| | |
0.142
|
|
≤ Normal
|
–
| | |
|
Overweight
|
0.880
|
0.379–2.042
| |
|
Obesity
|
0.455
|
0.195–1.063
| |
|
Pre-op PSA (ng/ml)
|
1.064
|
1.045–1.083
|
< 0.001
|
|
Prostate volume (cc)
|
1.016
|
0.990–1.042
|
0.226
|
|
Gleason score
| | |
0.364
|
|
≤ 6
|
–
| | |
|
7
|
1.263
|
0.478–3.340
| |
|
8
|
1.473
|
0.317–6.844
| |
|
9
|
3.064
|
0.798–11.760
| |
|
ECE (no vs. yes)
|
5.551
|
2.011–15.322
|
0.001
|
|
Resection margin (– vs. +)
|
1.040
|
0.479–2.262
|
0.920
|
|
T-stage
| | |
0.004
|
|
T2a
|
–
| | |
|
T2b
|
13.260
|
2.218–79.262
| |
|
T2c
|
3.157
|
0.609–16.373
| |
|
T3a
|
1.564
|
0.177–13.785
| |
|
T3b
|
4.830
|
0.700–33.326
| |
|
N-stage (no involvement vs. LN involvement)
|
0.300
|
0.028–3.202
|
0.319
|
|
M-stage (no meta vs. meta)
|
0.000
|
0.000–
|
0.985
|
- IOM, internal obturator muscle mass index; BMI, body mass index; pre-op PSA, pre-operative prostate-specific antigen; ECE, extracapsular extension; LN, lymph node
