Table 2.
Participants’ characteristics
| Variable | ACLR group | Control group |
|---|---|---|
| Participants, n | 19 | 17 |
| Age (years), median (range) | 24 (21–35) | 25 (22–35) |
| BMI (kg/m2), mean ± SD | 28.3 ± 4.6 | 26.9 ± 2.8 |
| Time interval between surgery and test (months), mean ± SD | 6.3 ± 2.5 | - |
| Self-reported rating scales, median (range) | ||
| TAS (baseline) | 7 (6–9) | 7 (6–9) |
| TAS (post) | 4 (3–7) | - |
| NPRS b (rest) | 0 (0–1) | - |
| NPRS (worst) | 3 (1–7) | - |
| IKDC c | 72.4 (42.5–94.3) | - |
| TSK d | 25 (20–33) | - |
BMI: Body Mass Index; TAS: Tegner Activity Scale; NPRS: Numeric Pain Rating Scale; IKDC: International Knee Documentation Committee; TSK: Tampa Scale for Kinesiophobia
aTAS: A self-reported scale (0–10) for assessment of level of knee-demanding activities. A high score indicates an ability to participate in more knee-demanding activities [34]
bNPRS: A self-reported scale (0–10) for assessment of pain level. A high score indicates higher level of pain [31]
cIKDC: A self-reported scale (0–100) for assessment of the level of symptoms, functions, and sports. A high score indicates higher functions and lower symptoms [32]. An Arabic-translated validated version was used for Arabic-speaking participants [37]
dTSK: A self-reported scale (17–68) for assessment of fear of movement. A high score indicates a high fear of movement and re-injury [33]. An Arabic-translated validated version was used