Table 1.
Cohort characteristics [as mean(SD)] and group comparisons.
| Parameter | Group values |
Group effect p value | ||
|---|---|---|---|---|
| Control | Sprinter | Tennis | ||
| N | 17 | 15 | 15 | — |
| Age (y) | 62.2 (9.8) | 62.0 (16.7) | 61.8 (12.9) | 0.99 |
| Mass (kg) | 76.7 (9.2) | 75.7 (10.4) | 78.6 (9.2) | 0.69 |
| Tibia length (mm) | 381 (26) | 384 (17) | 391 (17) | 0.38 |
| Height (m) | 1.75 (0.06) | 1.76 (0.06) | 1.77 (0.06) | 0.79 |
| Current sport start age (y) | — | 39.0 (19.0) | 15.5 (11.1) | <0.001 |
| Training years | — | 23.3 (15.2) | 46.9 (14.6) | <0.001 |
| Training volume (h/wk) | — | 9.1 (6.2) | 9.6 (5.6) | 0.81 |
SD = standard deviation.