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Table 2 Patient demographics of PJK and Non-PJK group after propensity score matching

From: Paraspinal muscle degeneration and lower bone mineral density as predictors of proximal junctional kyphosis in elderly patients with degenerative spinal diseases: a propensity score matched case–control analysis

 

PJK

Non-PJK

P-Values

Number of patients

83

83

 

Age (yrs.)

72.5 ± 5.6

72.6 ± 4.8

0.953

Female

56

59

0.614

History of smoking

14

12

0.669

BMI

27.36 ± 3.82

27.19 ± 3.36

0.763

Levels fused

4.0 ± 1.5

4.2 ± 1.6

0.513

UIV

Thoracic

22

25

 

Lumbar

61

58

0.605

  1. BMI body mass index, UIV upper instrumented vertebra. All values are expressed as mean value ± standard deviation
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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