Fat-free mass (FFM) and FFM index (FFMI) by dual energy X‐ray absorptiometry (DEXA), bioelectric impedance analysis (BIA) and skinfold anthropometry (SFA)
| Males | Females | |
| DEXA | ||
| FFM kg | 50.6±7.6 | 36.4±5.0 |
| FFMI kg·m−2 | 17.0±1.9 | 14.4±1.4 |
| Depletion % | 36 | 72 |
| BIA | ||
| FFM kg | 48.8±6.4 | 37.5±4.6 |
| FFMI kg·m−2 | 16.5±2.0 | 14.8±1.3 |
| Depletion % | 42 | 59 |
| SFA | ||
| FFM kg | 51.7±6.9 | 39.1±5.0 |
| FFMI kg·m−2 | 17.4±1.8 | 15.4±1.4 |
| Depletion % | 28 | 53 |
Data are presented as mean±sd
Patients were considered nutritionally depleted if they had a body mass index of ≤21 or an FFMI of ≤15 (females) or ≤16 (males)