Table 1 Participant characteristics (N = 54)a
|  | Total (N = 54) | ACL-RSI over 60 points (n = 31) | ACL-RSI under 60 points (n = 23) | P |
|---|---|---|---|---|
Age, y | 20.0 (4.3) [19.9–22.8] | 20.0 (8.0) [19.5–23.2] | 20.0 (4.0) [19.0–23.9] | 0.860 |
Women: men | 33:21 | 19:12 | 14:9 | 0.975 |
Height, cm | 165.8 ± 8.3 [163.5–168.1] | 166.1 ± 8.3 [163.1–169.2] | 165.4 ± 8.5 [161.7–169.0] | 0.744 |
Body mass, kg | 61.0 (16.5) [59.5–66.1] | 61.0 (19.0) [58.8–67.4] | 59.0 (15.9) [56.9–68.0] | 0.733 |
Body mass index, kg/m2 | 21.9 (3.0) [21.9–23.5] | 22.2 (2.8) [21.7–23.7] | 21.8 (4.5) [21.3–24.1] | 0.740 |
ACL-RSI score (0–100) | 64.8 ± 18.1 [59.9–69.7] | 77.4 ± 12.1 [73.0–81.9] | 47.8 ± 7.9 [44.4–51.2] |  < 0.000* |
Preinjury modified Tegner activity scale score | 8.0 (2.0) [7.6–8.2] | 8.0 (2.0) [7.5–8.4] | 8.0 (2.0) [7.5–8.2] | 0.898 |
Preinjury sports participation time, h/wk | 6.0 (8.0) [6.6–10.1] | 4.0 (8.0) [5.4–9.9] | 9.0 (8.0) [6.4–12.1] | 0.352 |
Participating sport type (collision; contact; limited contact; noncontact) | 6; 33; 7; 8 | 3; 21; 4; 3 | 3; 12; 3; 5 | 0.237 |
Injury situations (non-contact; indirect contact; direct contact) | 34; 14; 6 | 19; 7; 5 | 15; 7; 1 | 0.269 |
Time from injury to reconstruction, d | 66.0 (76.5) [68.1–150.8] | 56.0 (97.0) [57.2–140.9] | 67.0 (63.0) [40.0–206.9] | 0.576 |
Meniscus treated:nontreated, n | 37:17 | 22:9 | 15:8 | 0.653 |
Autograft (ST; STG; PT) | 44; 4; 6 | 25; 2; 4 | 19; 2; 2 | 0.454 |
Time from reconstruction to testing, d | 186.5 (15.3) [184.0–191.5] | 187.0 (15.0) [182.8–191.8] | 183.0 (15.0) [181.5–195.2] | 0.611 |