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Table 9 The angle β1 in the cervical intervertebral space (\(\overline{x }\)±s, °)

From: Measurement of anatomical parameters of anterior transpedicular root screw intervertebral fusion system of cervical spine

Level

Upper screw

Lower screw

Male

Female

Male

Female

C3-C4

32.25 ± 2.19

30.97 ± 0.76

32.04 ± 1.47

31.24 ± 2.24

C4-C5

34.67 ± 2.24

33.25 ± 1.90

31.46 ± 3.04

30.24 ± 2.57

C5-C6

33.49 ± 2.41

33.05 ± 2.28

30.66 ± 1.74

28.82 ± 2.84

C6-C7

32.06 ± 1.64

32.58 ± 2.38

29.12 ± 1.16

27.29 ± 2.11

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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