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Table 1 Participant characteristics (N = 54)a

From: Cross-sectional study on relationships between physical function and psychological readiness to return to sport after anterior cruciate ligament reconstruction

  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
  1. aData are reported as mean ± SD or median (interquartile range) [95% confidence interval] unless otherwise indicated. ACL-RSI Anterior cruciate ligament-return to sport after injury scale. ST Semitendinosus; STG Gracilis tendon in addition to semitendinosus; PT Patellar tendon
  2. *Significance at P < 0.05