TABLE 1.
Athlete Demographics Between RTS-PASS, RTS-FAIL and Control Groups
| RTS Status | PASS | FAIL | CTRL | P-value (ANOVA) |
|---|---|---|---|---|
| n | 39 (19.0%) | 109 (53.2%) | 57 (27.8%) | - |
| Biologic sex, n (% female) | 22 (56.4%) | 78 (71.6%) | 42 (73.7%) | 0.15$ |
| Age (years) | 15.4 ± 2.4 | 17.5±3.4 | 17.2±2.5 | 0.001 a,b |
| Height (cm) | 165.1 ± 12.1 | 167.8±10.1 | 166.5±8.8 | 0.33 |
| Weight (kg) | 61.9 ± 14.6 | 67.9±15.1 | 61.4±11.9 | 0.007 c |
| Months from surgery to RTS | 7.4 ± 1.6 | 6.9±2.1 | - | 0.28 |
| Graft Type, n (%) | AL: 0 (0%) HS: 35 (90%) PT: 4 (10%) |
AL: 11 (10%) HS: 47 (43%) PT: 51 (47%) |
- | <0.0001 $ |
| Meniscus Injury, n (%) | 15 (38.5%) | 58 (53.2%) | - | 0.11$ |
| IKDC | 97.6 ± 2.5 | 85.3 ± 11.0 | 96.3 ± 8.0 | <0.0001 a,c |
| QF strength LSI (%) | 104.7 ± 11.0 | 87.2 ± 16.7 | 98.8 ± 9.1 | <0.0001 a,c |
| Single Hop LSI (%) | 100.0 ± 5.4 | 92.8 ± 6.5 | 100.6 ± 5.6 | <0.0001 a,c |
| Triple Hop LSI (%) | 99.7 ± 5.1 | 93.9 ± 6.7 | 100.7 ± 5.4 | <0.0001 a,c |
| Crossover Hop LSI (%) | 99.2 ± 4.5 | 93.7 ± 9.4 | 100.1 ± 5.6 | <0.0001 a,c |
| Timed Hop LSI (%) | 100.8 ± 5.1 | 95.2 ± 7.7 | 100.8 ± 7.2 | <0.0001 a,c |
*
data are reported as mean ± standard deviation, unless otherwise noted
ANOVA= Analysis of Variance
$
Compared with Pearson Chi-Square test
PT= patellar tendon, HS= hamstring, AL= allograft, RTS= Return-to-Sport, CTRL= control group, IKDC= International Knee Documentation Committee, QF=Quadriceps Femoris
a
Indicates a statistically significant (p≤ 0.05) post-hoc comparison between Pass and Fail groups
b
Indicates a statistically significant (p≤ 0.05) post-hoc comparison between Pass and Control groups
c
Indicates a statistically significant (p≤ 0.05) post-hoc comparison between Fail and Control groups