Differences in Trocar Positioning within the Vertebral Body Using Two Different Positioning Methods: Effect on Trainee Performance

Table 1

Frequency of error of ≥5 mm from the puncture target.

	Lateral	Vertical	Anteroposterior
Landmark method (𝑛=19)	42% (8/19)	0% (0/19)	0% (0/19)
ISOP method (𝑛=19)	5% (1/19)	0% (0/19)	0% (0/19)