Table 2 showed the KOOS at baseline, 6 month and 12 months postoperatively

33.43 ± 11.87 (29–37.9)

32.26 ± 14.90 (27–37.8)

0.73

84.96 ± 6.24 (82.6–87.3)

84.82 ± 7.01 (82.2–87.4)

0.93

90.39 ± 5.14 (88.5–92.3)

89.76 ± 4.47 (88.1–91.4)

0.61

38.84 ± 11.28 (34.6–43.1)

38.23 ± 13.53 (33.2–43.3)

0.85

87.21 ± 6.28 (84.9–89.5)

85.28 ± 7.73 (82.4–88.2)

0.29

90.09 ± 4.29 (88.5–91.7)

88.33 ± 3.53 (87–89.6)

0.09

41.89 ± 12.85 (37.1–46.7)

41.42 ± 15.50 (35.6–47.2)

0.89

80.24 ± 11.14 (76.1–84.4)

81.42 ± 4.98 (79.6–83.3)

0.59

84.90 ± 4.18 (83.3–86.5)

84.56 ± 3.91 (83.1–86)

0.74

23.33 ± 10.20 (19.5–27.1)

20.67 ± 8.98 (17.3–24)

0.28

70.5 ± 7.70 (67.6–73.4)

68.67 ± 8.80 (65.4–71.9)

0.39

80.33 ± 5.86 (78.1–82.5)

78.33 ± 6.34 (76–80.7)

0.21

16.46 ± 9.06 (13.2–19.5)

16.25 ± 8.78 (14.1–18.6)

0.85

81.67 ± 8.83 (78.4–85)

83.13 ± 7.55 (80.3–86)

0.49

91.04 ± 5.36 (89–93)

90.42 ± 4.26 (88–92)

0.62