Table 3.
Relationship between Psoas Muscle Ratio and Each Parameter.
| Psoas muscle ratio | |||
|---|---|---|---|
| Parameter | <160.1 | ≥160.1 | P value |
| Median age (range) | 72 (47-87) | 68 (55-89) | 0.028 |
| Prior docetaxel | 13 (19.4) | 10 (14.9) | 0.611 |
| Prior abiraterone | 6 (8.9) | 2 (2.9) | 0.169 |
| Corticosteroid administration | 10 (14.9) | 8 (11.9) | 0.741 |
| Median body fat (range) | 31.7 (12.3-49.8) | 37.1 (22.2-51.5) | 0.002 |
| Median visceral fat (range) | 31.8 (11.1-58.3) | 39.9 (18.3-55.8) | 0.001 |
| Median V/S ratio (range) | 0.96 (0.46-1.97) | 1.15 (0.58-2.12) | 0.118 |
Psoas muscle ratio: psoas muscle volume/height (cm3/m)
Body fat: (visceral fat + subcutaneous fat)/abdominal volume
V/S ratio: visceral fat/subcutaneous fat ratio