Univariable Cox Regression Model
| Parameter | HR | 95% CI | AIC | Harrell C | P |
|---|---|---|---|---|---|
| Null model | 738.2 | ||||
| CRP (per mg/dL) | 1.16 | 1.11–1.20 | 700.0 | 0.76 | 0.001 |
| LDH (per 50 U/L) | 1.16 | 1.11–1.20 | 703.2 | 0.75 | 0.001 |
| Hemoglobin (per g/dL) | 0.71 | 0.61–0.81 | 716.5 | 0.69 | 0.001 |
| BMI (per kg/m2) | 0.91 | 0.86–0.96 | 728.5 | 0.64 | 0.001 |
| Interval between initial diagnosis and RLT (per year) | 0.94 | 0.89–0.98 | 729.4 | 0.62 | 0.003 |
| Weight (per kg) | 0.97 | 0.96–0.99 | 731.5 | 0.63 | 0.005 |
| PMI (cm2/m2) | 0.85 | 0.75–0.97 | 733.8 | 0.59 | 0.01 |
| Psoas muscle area (per cm2) | 0.95 | 0.91–0.99 | 734.2 | 0.59 | 0.02 |
| Total fat area (per 50 cm2) | 0.93 | 0.88–0.99 | 735.3 | 0.57 | 0.03 |
| Visceral fat area (per 50 cm2) | 0.89 | 0.79–1.00 | 736.0 | 0.55 | 0.05 |
| Visceral fat index (per cm2/m2) | 0.99 | 0.99–1.00 | 736.1 | 0.56 | 0.05 |
| PSA (per 50 ng/mL) | 1.01 | 1.00–1.03 | 736.6 | 0.59 | 0.04 |
| Subcutaneous fat index (per cm2/m2) | 1.00 | 0.99–1.00 | 736.6 | 0.58 | 0.07 |
| Subcutaneous fat area (per 50 cm2) | 0.91 | 0.82–1.01 | 737.1 | 0.57 | 0.09 |
| Sarcopenia present | 1.39 | 0.90–2.12 | 738.0 | 0.55 | 0.14 |
| Visceral fat–to–subcutaneous fat ratio | 0.71 | 0.39–1.22 | 738.7 | 0.50 | 0.24 |
| Age (per year) | 0.99 | 0.96–1.01 | 739.2 | 0.54 | 0.31 |
| Gleason score* | 1.12 | 0.89–1.42 | 0.53 | 0.35 | |
| Subcutaneous fat–to–muscle ratio | 0.99 | 0.96–1.03 | 740.1 | 0.51 | 0.74 |
↵* Because of missing values, another null model was used and comparison was not possible.
AIC = Akaike information criterion.
Lower Akaike information criterion and higher Harrell C values indicate better-fit model (31,32).