Table 3 Knee injury and Osteoarthritis Outcome Scores (KOOS) of the two groups preoperatively and at six-week follow-up

 Study group (54 pts)

42.7 ± 16.6

47.7 ± 17.4

44.7 ± 18.1

13.5 ± 14.6

26.5 ± 18.2

 Control group (65 pts)

41.7 ± 17.3

49.4 ± 18.5

43.1 ± 18.9

13.4 ± 16.6

26.8 ± 20.2

 P value

0.736

0.627

0.654

0.975

0.935

 Study group (50 pts)

57.7 ± 15.9

62.6 ± 14.9

63.9 ± 15.9

26.1 ± 27.0

50.4 ± 22.9

 Control group (63 pts)

58.6 ± 19.8

59.3 ± 16.5

63.0 ± 19.2

25.8 ± 23.0

52.5 ± 26.0

 P value

0.807

0.265

0.805

0.965

0.656