Table 6

Predictors of Clavien complications with AUC amounts.

VariableFinal AUC
Clavien grade II complications0.749
 American Society of Anesthesiologists score
 Preoperative hematocrit level
 Operative room time
 Any lumbar fusion
 Posterior lumbar interbody fusion
Clavien grade III complications0.702
 Time from incision open to incision close
Clavien grade IV complications0.928
 Anterior decompression
 Any lumbar fusion
 Preoperative sepsis
 Inpatient length of stay
Clavien grade V complications0.744
 Increased preoperative white blood cell count
 Hemiplegia and paraplegia
 Preoperative >10% loss body weight in past 6 mo
Severe Clavien complications0.756
 Female sex
 Diabetes mellitus
 Operative time
 Central nervous system tumor
 Cigarette pack-years
 Anterior fusion
 Anterior lumbar interbody fusion
  • Abbreviation: AUC, area under the curve.