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Table 5 Comparison of changes in preoperative and postoperative values of parameters of the disc height (DH), the cross-sectional area of vertebral canal (CSAVC), the cross-sectional area of dural sac (CSADS), the cross-sectional area of intervertebral foramen (CSAIF), and spinal canal volume (SCV)

From: Efficacy of OLIF combined with pedicle screw internal fixation for lumbar spinal stenosis on spinal canal changes before and after surgery

Parameters

Preop (n = 16)

Postop (n = 16)

Value added

t value

p value

DH (mm)

9.58 ± 1.40

12.44 ± 1.38

2.85 ± 0.87

13.04

0.000

CSAVC (mm2)

95.39 ± 21.51

136.96 ± 19.08

41.57 ± 13.72

12.11

0.000

CSADS (mm2)

64.86 ± 16.26

94.01 ± 16.44

29.15 ± 12.23

9.53

0.002

CSAIF (mm2)

80.82 ± 15.39

107.75 ± 13.63

26.92 ± 9.08

11.84

0.000

SCV (mm3)

889.90 ± 177.50

1690.14 ± 205.22

800.24 ± 176.27

18.15

0.018

  1. The measured values of DH, CSAVC, CSADS, CSAIF, and SCV after operation were significantly higher than those before operation (p < 0.05)
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X