Table 6 Between-group and within-group comparisons of KOOS (N = 32)

Pain:^a

 Group 1 (n = 16)

55.54 ± 18.84 (13.92–29.16)

67.04 ± 14.57 (10.76–22.54)

66.42 ± 17.84 (13.18–27.61)

11.5 (< 0.004)

10.88 (< 0.03)

 Group 2 (n = 16)

56.55 ± 15.39 (11.37–3.82)

64.77 ± 15.46 (11.42–23.93)

61.08 ± 15.27 (11.28–23.63)

8.22 (> 0.05)

4.53 (> 0.05)

 Between-group comparison^b (p-value)

-1.01 (> 0.05)

2,27 (> 0.05)

5,34 (> 0.05)

Symptoms:^a

 Group 1 (n = 16)

51.66 ± 21.76 (16.07–33.68)

66.11 ± 19.50 (14.41–30.18)

64.84 ± 24.09 (17.80–37.29)

14.45 (< 0.005)

13.18 (< 0.006)

 Group 2 (n = 16)

52.34 ± 21.87 (16.15–33.84)

60.13 ± 16.81 (12.42–26.02)

56.76 ± 15.63 (11.55–24.19)

7.79 (> 0.05)

4.42 (> 0.05)

 Between-group comparison^b (p-value)

-0.68 (> 0.05)

5.98 (> 0.05)

8.08 (> 0.05)

ADL:^a

 Group 1 (n = 16)

50.12 ± 20.96 (5.48–32.44)

68.26 ± 16.70 (12.34–25.85)

68.80 ± 16.71 (12.34–25.86)

18.14 (< 0.005)

18.68 (< 0.005)

 Group 2 (n = 16)

49.31 ± 13.14 (9.71–20.34)

60.24 ± 19.82 (14.64–30.67)

62.31 ± 16.24 (11.99–25.13)

10.93 (< 0.04)

13.00 (< 0.03)

 Between-group comparison^b (p-value)

0,99 (> 0.05)

8,02 (> 0.05)

6.49 (> 0.05)

Sport/Rec:a

 Group 1 (n = 16)

35.47 ± 24.70 (18.24–38.22)

49.84 ± 25.52 (18.85–39.49)

49.19 ± 30.36 (22.43–46.99)

14.37 (> 0.05)

13.72 (< 0.05)

 Group 2 (n = 16)

34.67 ± 16.40 (12.12–25.38)

39.61 ± 22.05 (16.29–34.13)

39.30 ± 20.84 (15.39–32.25)

4.94 (> 0.05)

-0.31 (> 0.05)

 Between-group comparison^b (p-value)

0,80 (> 0.05)

10,23 (> 0.05)

9,89 (> 0.05)

QOL:^a

 Group 1 (n = 16)

33.60 ± 16.64 (12.30–25.76)

46.74 ± 16.63 (12.29–25.74)

49.22 ± 21.27 (15.71–32.92)

13.14 (< 0.003)

15.62 (< 0.005)

 Group 2 (n = 16)

40.49 ± 10.92 (8.06–16.90)

46.09 ± 15.12 (11.17–23.40)

45.70 ± 13.45 (9.93–20.81)

5.60 (> 0.05)

5.21 (> 0.05)

 Between-group comparison^b (p-value)

-6.89 (> 0.05)

0.65 (> 0.05)

3.52 (> 0.05)