Table 3. Technique for Restoring the Vertebral Height with Balloon Kyphoplasty (n = 73).

Variable	No. (%)
Trocar insertion position into the vertebra
Trocar insertion through pedicle	62 (84.9)
Trocar insertion beside pedicle	11 (15.1)
Amount of cement injected (mL), mean ± SD (range)	4.1 ± 1.1 (1.5–7)
Infiltration of cement in vertebral body
Less than 1/3	1 (1.4)
From 1/3 to 2/3	32 (43.8)
Over 2/3	40 (54.8)

SD: standard deviation.