Table 1.
Comparison between the recovery and nonrecovery groups
| All patients (N = 646) |
The nonrecovery group (n = 232) |
The recovery group (n = 414) |
p value | |
|---|---|---|---|---|
| Age, year | 24.9 ± 10.5 | 28.1 ± 11.4 | 23.1 ± 9.6 | < 0.001* |
| Sex, Female | 322 (49.8) | 126 (54.3) | 196 (47.3) | n.s |
| Body mass index, kg/m2 | 22.5 ± 3.2 | 23.0 ± 3.6 | 22.2 ± 3.0 | 0.003* |
| Preinjury sport level | < 0.001* | |||
| Athlete | 336 (52.0) | 91 (39.2) | 245 (59.2) | |
| Recreation | 242 (37.5) | 104 (44.8) | 138 (33.3) | |
| No sport | 68 (10.5) | 37 (15.9) | 31 (7.5) | |
| Waiting time, months | 14.6 ± 43.6 | 21.2 ± 58.6 | 10.9 ± 32.0 | n.s |
| Surgery technique, Double bundle | 496 (76.8) | 179 (77.2) | 317 (76.6) | n.s |
| Medial meniscus injury, yes | 204 (31.6) | 84 (36.2) | 120 (29.0) | n.s |
| Lateral meniscus injury, yes | 166 (25.7) | 65 (28.0) | 101 (24.4) | n.s |
| Cartilage injury, yes | 67 (10.4) | 28 (12.1) | 39 (9.4) | n.s |
| Preoperative knee function | ||||
| LSI of quadriceps strength, % | 67.7 ± 22.8 | 57.9 ± 21.3 | 71.6 ± 22.1 | < 0.001* |
| LSI of hamstring strength, % | 77.6 ± 24.0 | 73.1 ± 26.0 | 80.1 ± 22.5 | < 0.001* |
| Anterior tibial translation, mm | 5.3 ± 2.7 | 5.4 ± 2.8 | 5.2 ± 2.6 | n.s |
| Postoperative Tegner activity scale scorea | 6 [3–10] | 5 [3–10] | 7 [3–10] | < 0.001 |
Values are present as average ± standard deviation, median [minimum – maximum], and n (%)
LSI Limb symmetry index
aMissing data for 31 patients
*p < 0.05