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Table 3 Adjusted risk of adverse outcomes after surgery

From: Impact of age and comorbidity burden on mortality and major complications in older adults undergoing orthopaedic surgery: an analysis using the Japanese diagnosis procedure combination database

  Inhospital death Postoperative complications
OR 95% CI p OR 95% CI p
Age         
  ≤ 64 Reference    Reference     
  65–79 2.58 1.36 – 4.89 0.004 1.22 1.09 – 1.36 0.001
  ≥ 80 5.88 2.93 – 11.8 <0.001 1.51 1.31 – 1.75 < 0.001
Sex       
  men Reference    Reference   
  women 0.60 0.39 – 0.92 0.018 0.88 0.82 – 0.95 0.001
Charlson comorbidity index       
  0 Reference    Reference   
  1 1.60 0.89 – 2.87 0.116 2.42 2.17 – 2.71 < 0.001
  2 6.58 3.99 – 10.8 <0.001 3.42 2.92 – 4.01 < 0.001
  ≥ 3 16.50 10 – 27.2 <0.001 5.06 4.2 – 6.1 < 0.001
Surgical procedure       
Total knee arthroplasty Reference    Reference   
Cervical laminoplasty 2.15 1.23 – 3.77 0.008 1.02 0.81 – 1.28 0.865
Lumbar decompression 1.38 0.79 – 2.4 0.253 0.87 0.72 – 1.04 0.117
Lumbar arthrodesis 2.23 1.21 – 4.06 0.009 1.07 0.92 – 1.24 0.397
  1. OR odds ratio, CI confidence interval.