Anatomical and Imaging Study on the Optimum Entry Point and Trajectory for Anterior Transpedicular Root Screw Placement into the Lower Cervical Spine

Table 2

Comparison of horizontal angles of screws in different segments and regions (°).

	C3		C4		C5		C6		C7
	Male ()	Female ()	Male ()	Female ()	Male ()	Female ()	Male ()	Female ()	Male ()	Female ()
a
b
c
d
e
f
g
h
i

Notes: vs. male.