Table 1 Patient demographics

Gender: male n(%)

38(44.2%)

21(48.8%)

17(39.5%)

44(34.4%)

19(32.2%)

25(36.2%)

0.359

Side, right (%)

48(55.8%)

23(53.5%)

24(55.8%)

68(53.1%)

29(49.2%)

39(56.5%)

0.907

Age (yr)

42.9 ± 10.8

41.9 ± 11.0

43.9 ± 10.7 ^a

40.0 ± 14.0

41.4 ± 14.3

38.9 ± 13.8

0.112

Height

161.4 ± 8.2

163.0 ± 8.4

159.8 ± 7.8

161.0 ± 8.6

160.6 ± 8.8

161.3 ± 8.4

0.755

BMI (kg/m²)

23.5 ± 2.96

23.0 ± 2.6

24.0 ± 3.2

23.3 ± 2.8

22.9 ± 2.7

23.7 ± 2.9

0.689

Duration of symptoms (m)

6.8 ± 11.7

5.9 ± 13.2

7.8 ± 10.1

8.0 ± 10.5

9.2 ± 11.1

7.0 ± 9.9

0.440

K-L

0.234

 0

52(60.5%)

27(62.8%)

25(58.1%)

85(66.4%)

37(62.7%)

48(69.6%)

 1

32(37.2%)

15(34.9%)

17(39.6%)

36(28.1%)

17(28.8%)

19(27.5%)

 2

2(2.3%)

1(2.3%)

1(2.3%)

7(5.5%)

5(8.5%)

2(2.9%)

Comorbidities

 Diabetes mellitus

1 (0.9%)

1(2.34.7%)

0(0%)

1 (%) (0.5%)

0(0%)

1(1.4%)

0.859

 High blood pressure

4 (3.7%)

2(4.7%)

2(4.7%)

6 (2.7%)

2(3.4%)

4(5.8%)

0.772