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Table 3 Comparisons of the Improvement of Patient-Reported Outcomes At 1-year follow-up After Case–Control Matching

From: Can fat infiltration in the multifidus muscle be a predictor of postoperative symptoms and complications in patients undergoing lumbar fusion for degenerative lumbar spinal stenosis? A case–control study

Variable

FI > 25% (n = 160)

FI < 25% (n = 160)

P value

At 1-Year Follow-Up

VAS for back pain

3.2 ± 2.3

2.8 ± 2.2

0.017*

VAS for leg pain

2.8 ± 2.4

2.3 ± 2.5

0.039*

ODI

21.7 ± 15.1

17.1 ± 14.1

0.010*

Change

Change of VAS for back pain

2.5 ± 2.7

2.5 ± 2.9

0.527

Change of VAS for leg pain

3.2 ± 3.0

3.7 ± 3.5

0.212

Change of ODI

17.9 ± 17.7

21.0 ± 23.0

0.549

Rates of CSI

Improvement rate of VAS for back pain ≥ 50%

69:66

55:60

0.913

Improvement rate of VAS for leg pain ≥ 50%

55:76

34:79

0.548

Improvement rate of ODI ≥ 40%

56:79

47:76

0.879

  1. The numbers in bold represented that there was significant difference between the two groups
  2. *P < 0.05, **P < 0.01
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X