Table 1. Demographics in relation to total CSA group.
| All | Low Total CSA* | High Total CSA* | P-value^ | |
|---|---|---|---|---|
| Number | 70 | 35 | 35 | |
| Males (%, number) | 47.1 (33) | 22.9 (8) | 71.4 (25) | <0.0001 |
| Age (years) | 55.3±3.1 | 55.1 ±3.3 | 55.4±2.9 | 0.648 |
| Height (mm) | 1708.6±100.2 | 1664.8±69.4 | 1752.4±107.7 | <0.001 |
| BMI (kg/m2) | 27.5±4.3 | 26.5±4.0 | 28.5±4.4 | 0.046 |
| Right knee maximum extension (N) | 428.8±148.6 | 376.6±95.1 | 481.1±173.6 | 0.003 |
| Maximum extension speed (N/s) | 579.8±465.1 | 589.5±465.1 | 570.8±472.1 | 0.874 |
^
Calculated using student's t-test, with statistical significance defined as p < 0.05.
*
Groups determined using cut-off value of 10,000 mm2, which separated upper and lower 50 percentile for corrected total muscle CSA