Table 4 Comparison of the 3D tilt parameter between the PFP group and control group

-10-0

-5.91 ± 4.25

-10.45 ± 6.78

0.004

5.85 ± 8.29

2.07 ± 6.40

0.033

0.0243 ± 3.94

0.19 ± 6.19

0.910

0–10

-1.96 ± 3.90

3.95 ± 3.90^#

-5.52 ± 5.45

4.93 ± 5.17^#

0.005

0.374^#

1.75 ± 6.95

-4.10 ± 3.66^#

-0.65 ± 5.45

-2.71 ± 4.04^#

0.140

0.093^#

0.24 ± 4.58

0.22 ± 3.54^#

1.11 ± 5.20

0.92 ± 3.43^#

0.506

0.426^#

10–20

3.70 ± 4.45

9.62 ± 4.68^#

0.81 ± 6.13

11.26 ± 5.75^#

0.063

0.234^#

1.51 ± 6.12

-4.34 ± 4.33^#

-0.99 ± 4.45

-3.06 ± 4.62^#

0.071

0.188^#

1.66 ± 4.06

1.63 ± 3.63^#

2.03 ± 5.65

1.84 ± 3.69^#

0.779

0.827^#

20–30

9.47 ± 5.66

15.38 ± 5.44^#

7.38 ± 6.40

17.83 ± 6.78^#

0.261

0.145^#

2.34 ± 5.69

-3.51 ± 5.40^#

-0.24 ± 4.37

-2.31 ± 4.96^#

0.053

0.342^#

3.22 ± 4.42

3.20 ± 3.99^#

4.48 ± 4.82

4.29 ± 4.51^#

0.296

0.379^#

30–40

15.82 ± 5.49

21.74 ± 5.65^#

13.09 ± 6.72

23.53 ± 6.72^#

0.127

0.297^#

2.79 ± 5.08

-3.06 ± 6.11^#

0.45 ± 4.12

-1.61 ± 5.05^#

0.071

0.249^#

5.17 ± 4.71

5.15 ± 4.56^#

5.84 ± 4.76

5.65 ± 4.56^#

0.588

0.692^#

40–50

23.27 ± 5.48

29.19 ± 6.16^#

20.42 ± 6.87

30.86 ± 7.35^#

0.110

0.363^#

2.97 ± 4.87

-2.88 ± 5.94^#

-0.56 ± 4.93

-2.63 ± 4.80^#

0.011

0.843^#

6.47 ± 4.62

6.44 ± 4.62^#

7.12 ± 5.26

6.93 ± 4.14^#

0.593

0.667^#

50–60

30.83 ± 5.96

36.74 ± 7.14^#

27.60 ± 6.57

38.04 ± 6.67^#

0.046

0.452^#

2.38 ± 4.43

-3.47 ± 6.44^#

-1.50 ± 4.70

-3.57 ± 5.45^#

0.004

0.939^#

8.46 ± 5.33

8.44 ± 5.23^#

8.75 ± 4.94

8.56 ± 4.44^#

0.830

0.926^#

60–70

37.41 ± 5.24

43.32 ± 6.90^#

34.02 ± 4.56

44.47 ± 7.62^#

0.007

0.558^#

1.52 ± 4.83

-4.32 ± 6.68^#

-1.99 ± 4.96

-4.06 ± 6.75^#

0.015

0.870^#

9.39 ± 5.12

9.37 ± 5.30^#

9.50 ± 4.86

9.31 ± 4.76^#

0.935

0.966^#