TABLE 1.
Baseline Characteristics of Patients With Return-to-Sport Informationa
| Sport Data Provided (n = 108) | Sport Data Not Provided (n = 224) | P Value | |
|---|---|---|---|
| Age, y | 51.0 ± 11.1 | 43.2 ± 14.6 | <.001 |
| Sex, male:female, n (% male) | 65:43 (60.2) | 123:101 (54.9) | .4 |
| Body mass index, kg/m2 | 30.3 ± 6.6 | 29.0 ± 6.3 | .1 |
| Smoker, n (%) | 15 (13.9) | 30 (13.4) | .9 |
| History of diabetes, n (%) | 2 (1.9) | 3 (1.3) | .1 |
| History of thyroid problems, n (%) | 7 (6.5) | 13 (5.8) | .06 |
| Symptom duration, mo | 9.4 ± 10.7 | 12.2 ± 25.0 | .3 |
| Workers’ compensation, n (%) | 9 (8.3) | 40 (17.9) | .02 |
| Outcome scores | |||
| IKDC | 43.0 ± 15.5 | 45.6 ± 19.7 | .2 |
| KOOS–Joint Replacement | 55.9 ± 12.4 | 59.0 ± 14.1 | .1 |
| KOOS–Physical Function short form | 43.0 ± 12.7 | 38.4 ± 9.9 | .03 |
| KOOS-Symptoms | 55.2 ± 17.0 | 59.1 ± 19.4 | .1 |
| KOOS-Pain | 55.0 ± 15.1 | 56.0 ± 18.7 | .6 |
| KOOS–Activities of Daily Living | 63.0 ± 17.9 | 65.2 ± 22.0 | .4 |
| KOOS-Sports | 33.8 ± 21.5 | 32.2 ± 24.8 | .6 |
| KOOS–Quality of Life | 28.8 ± 19.1 | 25.6 ± 18.4 | .1 |
aData are reported as mean ± SD unless otherwise indicated. Bolded P values indicate a statistically significant difference between groups. IKDC, International Knee Documentation Committee; KOOS, Knee injury and Osteoarthritis Outcome Score.