Table 3.
Patient Characteristics by Ipsilateral ACL Reinjury
| Characteristic | Reinjury (n = 36) | No Reinjury (n = 236) | P Value |
|---|---|---|---|
| Age at surgery,a y | 14.7 ± 1.6 | 15.5 ± 1.2 | <.001 |
| Bone age at surgery,a y | 15.1 ± 1.3 | 15.9 ± 1.1 | <.001 |
| Female patientsb | 20 (55.6) | 151 (64.0) | .33 |
| Right sideb | 19 (52.8) | 114 (48.3) | .62 |
| BMIa | 22.8 ± 2.5 | 23.4 ± 4.0 | .51 |
| Trauma to surgery time,a mo | 2.6 ± 4.4 | 2.0 ± 2.4 | .25 |
| Contact traumab | 8 (22.2) | 38 (16.2) | .37 |
| Physis status by x-rayb | <.001 | ||
| Open | 15 (41.7) | 41 (17.4) | |
| Closing | 17 (47.2) | 115 (48.7) | |
| Closed | 4 (11.1) | 80 (33.9) | |
| Meniscal lesion at ACLRb | 24 (66.7) | 156 (66.1) | .95 |
| Surgical techniqueb | .48 | ||
| Independent | 15 (41.7) | 84 (35.6) | |
| Transtibial | 21 (58.3) | 152 (64.4) | |
| Graft typeb | <.001 | ||
| Hamstring | 26 (72.2) | 91 (38.6) | |
| Patellar tendon | 10 (27.8) | 145 (61.4) | |
| Graft natureb | .16 | ||
| Autograft | 34 (94.4) | 233 (97.5) | |
| Contralateral autograft | 2 (5.6) | 3 (1.3) | |
| Graft diameter,a mm | 8.2 ± 1.5 | 9.0 ± 1.6 | <.001 |
| Tegner postoperativelya | 7.3 ± 0.7 | 7.3 ± 0.7 | .64 |
| Preinjury sport level | 25 (73.5) | 191 (85.3) | .08 |
| RTS time,a mo | 8.2 ± 1.5 | 9.0 ± 1.6 | .01 |
NOTE. Values are presented as number (%) or mean ± standard deviation unless otherwise indicated. Bold indicates statistical significance.
ACLR, anterior cruciate ligament reconstruction; BMI, body mass index; RTS, return to sport.
a
t Test.
b
χ2 test.