The Mechanisms of Medial Pedicle Wall Violation: Insertion Method Is as Important as Correct Cannulation of the Pedicle

Table 3

Distribution of results according to the type of screws.

Pedicle complication	Group 10		Group 10P		Group 15		Group 15P
	B	N	B	N	B	N	B	N
Present	0	0	3	3	3	6	10	12
Absent	13	12	9	10	9	7	3	0

N: novel II (6.5 mm with notch), B: blackstone (6.0 mm without notch).