TABLE 1.
Demographics between quadriceps strength groups
| Variable | Cohort | RTS-HQ | RTS-LQ | P-value | |
|---|---|---|---|---|---|
| n | 27 | 13 (48%) | 14 (52%) | - | |
| Biologic sexa, n (% female) | 22 (82%) | 9 (69%) | 13 (93%) | 0.11 | |
| Graft Typea, n (%) | AL: 2 (7%) HS: 18 (67%) PT: 7 (26%) |
AL: 1 (8%) HS: 11 (85%) PT: 1 (8%) |
AL: 1 (7%) HS: 7 (50%) PT: 6 (43%) |
0.11 | |
| Meniscus Injurya, n (%) | 13 (48%) | 7 (54%) | 6 (43%) | 0.57 | |
| At RTS b | Age (years) | 16.8 ± 2.3 | 16.7±3.0 | 16.9±1.6 | 0.79 |
| Months from surgery to RTS | 7.7 ± 2.3 | 8.4±2.9 | 7.1 ± 1.4 | 0.15 | |
| QF LSI (%) | 87.9 ± 17.7 | 102.1 ± 12.2 | 74.6 ± 10.1 | <0.001 | |
| At 5-year b | Age (years) | 22.0 ± 2.5 | 21.8±2.8 | 22.2±2.2 | 0.77 |
| Months from RTS to 5-year | 59.1 ± 6.6 | 59.6 ± 7.1 | 58.7 ± 6.3 | 0.73 | |
| QF LSI (%) | 97.7 ± 11.2 | 96.3 ± 7.2 | 99.0 ± 14.1 | 0.59 | |
|
Marx Activity Rating Scale
(0–16, most active) |
10.5 ± 4.3 | 10.1 ± 3.5 | 10.9 ± 4.9 | 0.65 |
AL, allograft; HS, hamstring autograft; PT= patellar tendon-bone-tendon autograft; RTS, at the time of return to sport; QF LSI, quadriceps femoris limb symmetry index (0–100%, <100% indicates deficit on the involved limb)
a
Compared with Pearson Chi-Square test
b
Data reported as mean ± standard deviation