Table 3 The angles (degree) of the left and right side

No

Male (n = 18)

mean

31.7

31.2

0.50

2.21*

SE

0.71

0.68

0.69

0.46

SD

3.02

2.89

2.94

1.94

Female (n = 37)

mean

31.7

31.9

-0.26

2.17*

SE

0.54

0.54

0.46

0.29

SD

3.26

3.27

2.80

1.75

Yes

Male (n = 9)

mean

30.3

32.3

-1.99

2.76*

SE

0.85

0.73

0.73

0.29

SD

2.55

2.19

2.20

0.87

Female (n = 49)

mean

30.7

30.8

-0.15

2.02*

SE

0.42

0.38

0.38

0.24

SD

2.95

2.67

2.65

1.69