Table 2.
Assessment of muscle mass by CT in patients with HNC.
| Variable | N (%) |
|---|---|
| Muscle mass area (cm2) at L3 | |
| Median (range) | 130.7 (80.1-242.4) |
| Mean ± SD | 133.4 ± 30.8 |
| MMI (cm2/m2) at L3 | |
| Median (range) | 46.6 (27.7-78.2) |
| Mean ± SD | 46.3 ± 9.2 |
| Classification of MMI at L3 | |
| Adequate | 17 (27) |
| Inadequate | 46 (73) |
| Muscle mass area (cm2) at T4 | |
| Median (range) | 200.3 (110.5-328.1) |
| Mean ± SD | 197.5 ± 47.7 |
| MMI (cm2/m2) at T4 | |
| Median (range) | 67.5 (43.7-105.9) |
| Mean ± SD | 68.7 ± 15.1 |
| Muscle mass area (cm2) at C3 | |
| Median (range) | 40.3 (25.1-62.6) |
| Mean ± SD | 42.1 ± 9.4 |
| MMI (cm2/m2) at C3 | |
| Median (range) | 14.0 (9.6-20.1) |
| Mean ± SD | 14.5 ± 2.8 |
SD, standard deviation.