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Table 3 Risk factor for perioperative systemic complications with multivariable logistic regression analysis

From: Risk factors related to perioperative systemic complications and mortality in elderly patients with osteoporotic vertebral fractures—analysis of a large national inpatient database

  OR P value 95%CI
Age (years)
 65 to 74 Reference   
 75 to 84 1.38 0.007** 1.09–1.74
 Over 85 1.40 0.054 0.99-1.97
Admission type
 Scheduled Reference   
 Unscheduled 1.16 0.18 0.93–1.45
ADL score for admission (points)
 0 to 10 1.52 0.001** 1.19–1.94
 11 to 20 Reference   
 Unknown 1.49 0.008** 1.11–1.99
Preoperative comorbidities
 Atrial fibrillation 2.14 0.006** 1.25–3.65
 Renal failure 2.29 0.007** 1.25–4.20
Surgical procedure
 Posterior fusion Reference   
 Anterior fusion 1.73 < 0.001*** 1.35–2.22
  1. Significant values are given as follows: **P < 0.01, ***P < 0.001
  2. ADL activity of daily living, OR odds ratio, CI confidence interval