Table 1.
Characteristics of the Population According to Cases (low muscle quality) and Controls (high muscle quality)
| Cases | Controls | |
|---|---|---|
| All | N = 79 | N = 79 |
| Age (years) | 70.62 | 70.32 |
| Sex (men) | 39 | 39 |
| Height | 168.5 | 168.5 |
| Muscle quality (Nm/cm2) | 0.8 | 1.6 |
| Age group: 50–59 | N = 14 | N = 14 |
| Age (years) | 55.1 | 54.5 |
| Sex (men) | 7 | 7 |
| Height (cm) | 170.3 | 170.6 |
| Muscle quality (Nm/cm2) | 0.8 | 1.7 |
| Age group: 60–69 | N = 23 | N = 23 |
| Age (years) | 64.1 | 64.0 |
| Sex (men) | 11 | 11 |
| Height | 171.0 | 171.1 |
| Muscle quality (Nm/cm2) | 0.8 | 1.6 |
| Age group: 70–79 | N = 19 | N = 19 |
| Age (years) | 74.26 | 74.01 |
| Sex (men) | 9 | 9 |
| Height | 166.5 | 166.7 |
| Muscle quality | 0.8 | 1.5 |
| Age group: 80+ | N = 23 | N = 23 |
| Age (years) | 83.6 | 83.1 |
| Sex (men) | 12 | 12 |
| Height | 166.5 | 166.5 |
| Muscle quality | 0.8 | 5.0 |