Table 1:

Baseline characteristics of 108 patients treated for VCFs^a

Characteristic	Perforation Group	PVP Group	P Value
No. of patients	58	50
Mean age (yr) (range)	76.7 ± 4.2	77.5 ± 8.4	.35
No. of women (%)	48	42
Preop. VAS score	7.0 ± 2.1	7.0 ± 1.4	.82
Mean duration of symptoms (day)	127.8 ± 105	145.3 ± 112	.68
Posterior destruction of VB	(+) 19	(+) 10	.09
	(–) 39	(–) 40
No. of patients with preexisting VCFs	(+) 34	(+) 31	.42
	(–) 24	(–) 19
Distribution of treated VCFs	T7-L5	T6-L4
Presence of kyphotic change	(+) 15	(+) 18	.15
	(–) 43	(–) 32
Preop. vertebral percentage of compression (%)	45.9 ± 29.7	42.5 ± 14.2	.64
Preop. intravertebral cleft on MRI	(+) 30	(+) 15	.02
	(–) 28	(–) 35
Communication of puncture holes	(+) 15
	(–) 43

Note:—preop indicates preoperative; VB, vertebral body.

^aStatistical analyses were performed with the Mann-Whitney U test or the Fisher exact test.