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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.

 
↵a Statistical analyses were performed with the Mann-Whitney U test or the Fisher exact test.