Skip to main content

Table 3 Screw deviation with grade (B + C)

From: Cortical screw placement with a spinous process clamp guide: a cadaver study accessing accuracy

Deviation

Planning screws (n = 3)

Inserted screws (n = 7)

Cranial pedicle n (%)

0

0

Caudal pedicle n (%)

0

0

Cephalad endplate n (%)

0

1

Medial pedicle n (%)

1

2

Lateral pedicle n (%)

2

4

Vertebral cortex n (%)

0

0