Extrapedicular Infiltration Anesthesia as an Improved Method of Local Anesthesia for Unipedicular Percutaneous Vertebroplasty or Percutaneous Kyphoplasty

Table 1

Patients’ demographic characteristics and the results in the two groups.

	CLIA + EPIA group	CLIA group	value
Number of cases	20	24
Sex, male : female	4 : 16	7 : 17	0.484^†
Age (yrs)	72.4 ± 9.5 (62~89)	70.5 ± 8.2 (60~87)	0.287
Body mass index (BMI) (kg/m^2)	22.9 ± 2.7 (18.8~28.3)	22.6 ± 2.8 (17.3~28.9)	0.785
Injured vertebral
T12	5	9
L1	5	7
L2	4	5
L3	6	1
L4	0	2
VAS	2.5 ± 0.7	4.3 ± 1.0	0.001
Additional sedative analgesia	0	1
Nerve root adverse effects	0	0

Chi-square test.