Table 1.
Test–retest reliability of the components of ACL-RSI and ACL-QoL.
| Instruments | ICC* | 95% CI |
SEM | SDC | |
|---|---|---|---|---|---|
| Lower | Higher | ||||
| ACL-RSI | 0.78 | 0.67 | 0.85 | 6.5 | 18.1 |
| Overall ACL-QoL | 0.84 | 0.76 | 0.90 | 4.7 | 13.2 |
| QoL-symptoms | 0.66 | 0.51 | 0.77 | 10.4 | 28.9 |
| QoL-work | 0.82 | 0.72 | 0.89 | 6.7 | 18.6 |
| QoL-participation | 0.82 | 0.73 | 0.88 | 6.7 | 18.5 |
| QoL-lifestyle | 0.70 | 0.56 | 0.80 | 9.6 | 26.6 |
| QoL-social and emotional concerns | 0.83 | 0.74 | 0.89 | 6.4 | 17.7 |
Abbreviations: ACL-RSI, Anterior Cruciate Ligament-Return to Sport After Injury; ACL-QoL, Quality of Life Anterior Cruciate Ligament Questionnaire; QoL, quality of life; ICC, intraclass correlation coefficient; CI, confidence interval; SEM, standard errors of the measurement; SDC, smallest detectable change.
*
p < 0.001.