Adjusted results of patients undergoing spinal fusion (Reference Group (REF): <i>Non-high-cost hospitals); AOR</i>, <i>adjusted odds ratio; β</i>, <i>beta coefficient; CI</i>, <i>confidence interval</i>.

Adjusted results of patients undergoing spinal fusion (Reference Group (REF): Non-high-cost hospitals); AOR, adjusted odds ratio; β, beta coefficient; CI, confidence interval.