Table 1.
Baseline Demographics of the Patients of Each Sex
| Total (N = 65) | Male (n = 28) | Female (n = 37) | p | |
|---|---|---|---|---|
| Age at surgery (mean, SD) | 19.4 (5.1) | 22.0 (6.0) | 17.4 (3.1) | <0.01 |
| BMI (mean, SD) | 24.7 (3.8) | 26.1 (4.5) | 23.6 (2.8) | 0.01 |
| Posterior tibial slope (mean, SD) | 6.4 (3.1) | 6.6 (3.5) | 6.3 (2.7) | 0.68 |
| White, non-Hispanic (n, %) | 55 (85) | 22 (79) | 33 (89) | 0.31 |
| Knee side, left (n, %) | 33 (50.1) | 14 (50.0) | 19 (51.4) | 1.00 |
| Mechanism of injury, sports (n, %) | 64 (98.5) | 28 (100.0) | 36 (97.3) | 1.00 |
| Injury by contact | 17 (26.2) | 6 (21.4) | 11 (29.7) | 0.57 |
| Sports breakdowna (n, %) | ||||
| Basketball | 7 (10.9) | 1 (3.6) | 6 (16.7) | |
| Bike polo | 1 (1.6) | 1 (3.6) | 0 (0) | |
| Cheerleading | 1 (1.6) | 0 (0) | 1 (2.8) | |
| Field hockey | 2 (3.1) | 0 (0) | 2 (5.6) | |
| Football | 6 (9.4) | 6 (21.4) | 0 (0) | |
| Frisbee | 1 (1.6) | 1 (3.6) | 0 (0) | |
| Hockey | 1 (1.6) | 0 (0) | 1 (2.8) | |
| Lacrosse | 6 (9.4) | 4 (14.3) | 2 (5.6) | |
| Powderpuff football | 1 (1.6) | 0 (0) | 1 (2.8) | |
| Rugby | 2 (3.1) | 2 (7.1) | 0 (0) | |
| Skiing | 11 (17.2) | 5 (17.9) | 6 (16.7) | |
| Soccer | 23 (35.9) | 7 (25.0) | 16 (44.4) | |
| Softball | 1 (1.6) | 0 (0) | 1 (2.8) | |
| Volleyball | 1 (1.6) | 1 (3.6) | 0 (0) | |
| Level of sport (n, %) | ||||
| 1 | 50 (76.9) | 22 (78.6) | 28 (75.7) | 0.95 |
| 2 | 14 (21.5) | 5 (17.9) | 9 (24.3) | |
| 3 | 1 (1.5) | 1 (3.6) | 0 (0.0) | |
a
One patient did not indicate a sports injury.
BMI, body mass index; SD, standard deviation.