Table 1 Demographic data and initial surgical findings of two study groups

Sex, male/female, n

29/4

29/10

0.379

Age, y (mean ± SD)

32.0 ± 9.7

32.4 ± 12.7

0.903

Height, cm (mean ± SD)

168.4 ± 7.5

170.1 ± 8.3

0.385

Weight, kg (mean ± SD)

65.2 ± 9.3

70.1 ± 13.4

0.091

BMI (mean ± SD)

22.9 ± 2.5

24.1 ± 3.2

0.102

Injury time, mo (mean ± SD)

6.2 ± 11.3

7.1 ± 12.3

0.452

Injured side, left/right, n

14/19

22/17

0.296

Status, n

0.619

 Isolated ACL injuries

5

9

 ACL and medial meniscus injuries

3

5

 ACL and lateral meniscus injuries

12

9

 ACL and both menisci injuries

13

16

Treatment of meniscal injuries

0.591

 Suture

27

28

 Resection

1

2

 Preoperative IKDC score

76.1 ± 19.2

75.4 ± 22.1

0.429

 Preoperative Lysholm score

71.5 ± 20.6

69.2 ± 16.9

0.751

 Preoperative Tegner score

2.1 ± 1.7

2.4 ± 1.2

0.842

Preoperative knee stability measurement

 Lachman test, stable/I°/II°/III°

0/0/0/33

0/0/0/39

1.000

 Pivot-shift test, stable/I°/II°/III°

0/0/0/33

0/0/0/39

1.000

 KT-1000 side-to-side difference, mm

5.7 ± 1.7

5.8 ± 2.1

0.864