Comparison of Percutaneous Kyphoplasty with or without Pedicle Screw Fixation in Osteoporotic Thoracolumbar Vertebral Fractures: A Retrospective Study

Table 2

Comparison of clinical outcomes between the two groups.

Variable	PKP group ()		PKPF group ()
VAS
Preoperative					0.58
1 month		<0.001		<0.001	0.03
6 months		0.04		0.03	0.04
12 months		0.45		0.63	0.35
24 months		0.52		0.45	0.19
ODI
Preoperative					0.75
1 month		<0.001		<0.001	0.51
6 months		0.04		0.02	0.16
12 months		0.03		0.04	0.03
24 months		0.24		0.14	0.04
Complications
Cement leakage	9		2		<0.001
Wound infection	0		1
Recollapse	12		2
Refracture	2		0
Operation time (mins)					0.02
Blood loss (ml)					0.01

; : the comparison between two groups; : the comparison with last follow-up; VAS: visual analogue scale; ODI: Oswestry Disability Index.