| Primary group (n = 71) Median (Interquartile range) | Coexisting group (n = 67) Median (Interquartile range) | |
| Volume of left pectoralis major muscle (mm3) | 3706.5 (2665.0 - 5716.2)** | 5789.1 (4047.9 - 8952.1)** |
| Volume of right pectoralis major muscle (mm3) | 4003.7 (2512.1 - 5935.1)** | 5650.3 (4132.4 - 8294.1)** |
| Thickness of left pectoralis major muscle (mm) | 5.9 (4.0 - 8.8)* | 7.1 (5.4 - 9.1)* |
| Thickness of right pectoralis major muscle (mm) | 6.7 (4.9 - 8.8) | 7.7 (5.5 - 9.5) |
| Cross-sectional area of left rectus abdominis muscle (mm2) | 216.3 (133.0 - 326.7) | 229.1 (148.8 - 335.2) |
| Cross-sectional area of right rectus abdominis muscle (mm2) | 201.8 (121.1 - 333.5) | 241.9 (152.7 - 364.1) |
| Thickness of left rectus abdominis muscle (mm) | 6.0 (4.6 - 8.3) | 5.9 (5.0 - 9.2) |
| Thickness of right rectus abdominis muscle (mm) | 7.0 (4.6 - 8.7) | 6.6 (5.2 - 8.7) |
| Cross-sectional area of left psoas major muscle (mm2) | 432.0 (305.1 - 523.0)** | 500.1 (354.8 - 732.3)** |
| Cross-sectional area of right psoas major muscle (mm2) | 446.3 (316.5 - 566.4)** | 563.5 (461.1 - 695.2)** |
| Albumin level (g/dl) | 3.4 (2.8 - 3.7)** | 3.8 (3.1 - 4.3)** |
| MNA-SF score | 5.0 (3.0 - 6.0)** | 6.0 (5.0 - 8.0)** |
| FOIS score | 1.0 (1.0 - 4.0)** | 4.0 (1.0 - 5.0)** |
| BI score | 0.0 (0.0 - 0.0) | 0.0 (0.0 - 0.0) |
| Hospitalized days (day) | 26.0 (13.0 - 50.0)** | 44.0 (27.0 - 75.0)** |
| Age (yr) | 87.0 (82.0 - 90.0)** | 81.0 (74.0 - 86.0)** |