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Table 2 Comparison of intraoperative outcomes between the two groups

From: Percutaneous kyphoplasty with or without posterior pedicle screw fixation for the management of severe osteoporotic vertebral compression fractures with nonunion

Variable

PKP group

PPSF + KP group

P value

Operative time (Min)

41.81 ± 4.04

116.71 ± 15.46

 < 0.01

Intraoperative blood loss

10.19 ± 1.80

90.21 ± 15.36

 < 0.01

Operation costs

43,256.30 ± 5381.83

89,607.61 ± 17,210.64

 < 0.01

Cement volume (mL)

6.04 ± 0.84

6.96 ± 0.81

 < 0.01

Hospital stays (d)

3.52 ± 0.51

8.92 ± 1.69

 < 0.01