Comparisons of psychological and appraisal of knee function between participants who had and had not returned to their preinjury sport or recreational activity
| Variable | Overall, mean (SD) | Returned to preinjury activity (n=66) | Not returned to preinjury activity (n=98) | Mean difference (95% CI) | p Value | FDR-adjusted significance, q |
|---|---|---|---|---|---|---|
| K-SES (0–10) (n=157) | 6.9 (2.1) | 7.7 (1.8) | 6.4 (2.1) | 1.3 (0.7 to 2.0) | <0.001 | <0.001 |
| MHLC_internal (6–36) (n=156) | 25.8 (5.5) | 25.7 (5.3) | 25.9 (5.7) | −0.2 (−2.0 to 1.5) | 0.68 | 0.69 |
| MHLC_chance (6–36) (n=155) | 13.0 (5.2) | 13.2 (5.3) | 12.9 (5.2) | 0.3 (−1.4 to 2.1) | 0.69 | 0.69 |
| MHLC_doctors (6–18) (n=157) | 11.7 (3.1) | 11.2 (3.0) | 12.0 (3.2) | −0.8 (−1.8 to 0.2) | 0.16 | 0.22 |
| MHLC_others (6–18) (n=157) | 6.9 (2.1) | 6.8 (2.1) | 7.1 (2.2) | −0.3 (−1.0 to 0.4) | 0.34 | 0.42 |
| ACL-RSI (1–10) (n=163) | 4.9 (2.1) | 6.2 (2.0) | 4.5 (2.1) | 1.6 (1.0 to 2.3) | <0.001 | <0.001 |
| TSK (17–68) (n=148) | 35.6 (8.0) | 32.1 (7.2) | 37.8 (7.9) | −5.6 (−8.1 to −3.1) | <0.001 | <0.001 |
| KOOS_Sport (0–100) (n=157) | 70.6 (24.8) | 77.5 (22.3) | 65.8 (25.5) | 11.7 (4.1 to 19.3) | <0.01 | <0.001 |
| KOOS_QoL (0–100) (n=159) | 62.0 (22.7) | 70.0 (19.8) | 56.6 (23.1) | 13.4 (6.7 to 20.2) | <0.001 | <0.001 |
| ACL-QoL (1–10) (n=155) | 6.5 (2.0) | 7.5 (1.8) | 5.9 (1.9) | 1.6 (1.0 to 2.2) | <0.001 | <0.001 |
| Satisfaction (1–10) (n=164) | 6.0 (2.7) | 7.0 (2.4) | 5.3 (2.6) | 1.6 (0.8 to 2.4) | <0.001 | <0.001 |
ACL-QoL, Anterior Cruciate Ligament-Quality of Life scale; ACL-RSI, ACL-Return to Sport after Injury scale; FDR, false discovery rate; KOOS_QoL, Knee Osteoarthritis Outcome Scale Quality of Life domain; KOOS_Sport, Knee Osteoarthritis Outcome Scale sport domain; K-SES, Knee Self-Efficacy Scale; MHLC, Multidimensional Health Locus of Control scale; TSK, Tampa Scale for Kinesiophobia.