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Table 3 Adjusted risk of perioperative stroke after elective spinal surgery

From: Perioperative stroke in patients undergoing elective spinal surgery: a retrospective analysis using the Japanese diagnosis procedure combination database

  Perioperative stroke
  OR 95 % CI p-value
Age
 ≤49 Reference   
 50–59 1.61 0.87–2.97 0.13
 60–69 2.27 1.31–3.94 0.004
 70–79 3.41 1.91–6.07 <0.001
 ≥80 5.66 3.10–10.34 <0.001
Sex
 Male Reference   
 Female 0.98 0.78–1.23 0.88
Surgical procedures
 Resection of a spinal cord tumor Reference   
 Discectomy 0.29 0.14–0.58 0.001
 Decompression surgery 0.44 0.26–0.73 0.001
 Arthrodesis surgery 0.55 0.34–0.90 0.02
Cervical spinal surgery 1.44 1.09–1.90 0.01
History of cardiac disease 1.58 1.10–2.26 0.01
Diabetes 1.73 1.36–2.20 <0.001
Hyper tension 1.53 1.18–1.98 0.001
Hemodialysis 1.51 0.88–2.59 0.13
Blood transfusion 1.23 0.83–1.82 0.30
Teaching institution 1.36 1.01–1.82 0.04
Length of stay (days) 1.01 1.01–1.01 <0.001
  1. OR odds ratio, CI confidence interval
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