Table 1 The parameters of the L4-SP

Numbers

266

16

218

Ratios (%)

53.20

3.20

43.60

BC (mm)

15.92 ± 1.30^b

16.16 ± 1.18

15.56 ± 1.32

AB (mm)

8.02 ± 0.73

7.98 ± 0.76

7.89 ± 0.79

AC (mm)

7.96 ± 0.79

8.26 ± 0.81

7.97 ± 0.84

Angle (°)

173.00 ± 4.83^ab

164.69 ± 5.50^b

159.45 ± 8.39

α (°)

1.07 ± 3.05

1.00 ± 3.97

1.18 ± 3.33

β (°)

89.78 ± 5.28

90.00 ± 6.15

89.58 ± 3.44

γ (°)

74.46 ± 3.26

74.38 ± 3.65

74.16 ± 5.92

Length (mm)

3.06 ± 0.41

2.84 ± 0.52

3.07 ± 0.51