Table 2 Preoperative and postoperative results in both groups

14.1 ± 12.6 (−15.5 to 46.1)

58.7 ± 6.8 (41.3–73.9)

 < 0.001

11.8 ± 11.6 (−20.5 to 37.4)

56.8 ± 6.2 (45.9–71.6)

 < 0.001

73.4 ± 10.4 (41–87)

91.4 ± 4.3 (76–98)

 < 0.001

73.5 ± 8.2 (44–85)

92.9 ± 3.4 (86–99)

 < 0.001

73.3 ± 11.1 (47–86)

94.5 ± 4.3 (70–100)

 < 0.001

76.6 ± 8.4 (61–89)

96.1 ± 2.9 (90–100)

 < 0.001

59.7 ± 15.0 (10–80)

88.1 ± 7.6 (70–100)

 < 0.001

61.3 ± 10.7 (40–90)

90.7 ± 5.8 (80–100)

 < 0.001

42.1 ± 16.4 (10–85)

10.9 ± 4.4 (2–20)

 < 0.001

39.8 ± 11.9 (14–57)

9.1 ± 3.6 (2–16)

 < 0.001

9.9 ± 3.6 (2–18)

3.4 ± 1.7 (0–9)

 < 0.001

9.6 ± 2.6 (3–15)

2.8 ± 1.2 (1–5)

 < 0.001

3.0 ± 1.7 (0–7)

0.9 ± 0.8 (0–3)

 < 0.001

3.1 ± 1.7 (1–7)

0.6 ± 0.7 (0–2)

 < 0.001

29.2 ± 12.5 (7–62)

6.6 ± 3.0 (1–14)

 < 0.001

27.2 ± 9.4 (9–47)

5.8 ± 2.7 (0–11)

 < 0.001