Bipedicular percutaneous kyphoplasty versus unipedicular percutaneous kyphoplasty in the treatment of asymmetric osteoporotic vertebral compression fractures: a case control study

Table 3 Preoperative and postoperative VAS scores and JOA scores

	BPKP Group	UPKP group	t	p
Pre-operative VAS	7.900 ± 1.449	8.467 ± 1.457	0.955	0.35
VAS 3 days after surgery	3.900 ± 1.287	4.2 ± 1.01419	0.651	0.521
VAS 1 year after surgery	3.000 ± 1.247	4.267 ± 0.799	0.664	0.005
Pre-operative JOA	14.300 ± 2.163	14.000 ± 1.890	0.367	0.717
JOA 3 days after surgery	19.300 ± 2.111	18.600 ± 1.765	0.899	0.378
JOA 1 year after surgery	18.700 ± 1.494	19.067 ± 1.831	0.526	0.604

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