Table 1.
Descriptive characteristics of the study population (n = 249).
| Men (n = 148, 59.4%) | Women (n = 101, 40.6%) | |
|---|---|---|
| Age (year)a | 30.2 ± 8.2 | 27.5 ± 7.8 |
| Height (m)a | 1.8 ± 0.1 | 1.7 ± 0.1 |
| Weight (kg)a | 80.0 ± 11.2 | 64.6 ± 9.4 |
| Body mass index (kg/m2)a | 23.9 ± 2.4 | 21.9 ± 1.8 |
| Chronicity (month)a | 19.3 ± 22.1 | 17.6 ± 14.6 |
| VISA-P scale baseline (point)a | 46.0 ± 17.3 | 46.5 ± 17.1 |
| Disciplineb | ||
| Volleyball | 29 (19.6) | 18 (17.8) |
| Basketball | 14 (9.5) | 20 (19.8) |
| Athletics | 30 (20.3) | 23 (22.8) |
| Soccer | 32 (21.6) | 6 (5.9) |
| Other | 43 (29.0) | 34 (33.7) |
| Training volumea | ||
| Day/week | 4.4 ± 1.3 | 4.1 ± 1.1 |
| h/day | 2.0 ± 0.9 | 1.8 ± 0.8 |
| Side of injuryb | ||
| Right | 85 (57.4) | 61 (60.4) |
| Left | 63 (42.6) | 40 (39.6) |
| First episodeb | ||
| Yes | 104 (70.3) | 70 (69.3) |
| No | 44 (29.7) | 31 (30.7) |
Abbreviation: VISA-P scale = Victorian Institute of Sport Assessment–Patella scale.
a
Data are presented as mean ± SD.
b
Data are presented as participant number and frequency (%) in brackets.