Table 4 Angular parameters of the cervical pedicles obtained using MD-CT reconstruction

C3

Overall

42.77 ± 3.20

42.47 ± 3.10

0.56

up 10.74 ± 3.01

up 10.40 ± 3.31

0.51

Male

42.21 ± 2.86

42.02 ± 3.14

up 10.62 ± 2.84

up 10.18 ± 3.30

Female

43.32 ± 3.46

42.91 + 3.04

up 10.86 + 3.21

up 10.62 ± 3.26

C4

Overall

44.24 ± 3.56

44.04 ± 3.59

0.73

up 5.47 ± 3.08

up 5.18 ± 3.18

0.57

Male

43.56 ± 3.54

43.48 ± 3.37

up 5.18 ± 2.72

up 5.10 ± 3.22

Female

44.91 ± 3.49

44.59 ± 3.75

up 5.75 ± 3.41

up 5.27 ± 3.18

C5

Overall

44.05 ± 3.27

43.72 ± 3.27

0.54

up 0.56 ± 2.80

dn 0.06 ± 2.57

0.16

Male

43.05 ± 2.51

42.86 ± 2.81

up 0.29 ± 2.85

dn 0.54 ± 2.67

Female

45.05 + 3.65*

44.59 ± 3.51*

up 0.83 ± 2.76

up 0.40 ± 2.42

C6

Overall

42.21 ± 2.63

41.93 ± 2.46

0.51

dn 6.86 ± 3.59

dn 6.91 ± 3.81

0.94

Male

41.54 ± 2.43

41.35 ± 2.44

dn 6.70 + 3.51

dn 6.97 ± 3.69

Female

42.89 ± 2.68

42.51 ± 2.37*

dn 7.02 ± 3.72

dn 6.86 ± 3.98

C7

Overall

39.04 ± 2.90

38.70 ± 2.97

0.48

dn 10.64 ± 3.86

dn 10.45 ± 3.95

0.77

Male

38.62 ± 2.80

38.27 ± 2.70

dn 10.78 ± 3.40

dn 10.81 ± 3.58

Female

39.45 ± 2.98

39.13 ± 3.19

dn 10.51 ± 4.31

dn 10.10 ± 4.31