Fig. 2

Ratio of operating room (OR) cost of care to DRG reimbursement for the surgical treatment of spinal cord tethering and syringomyelia. Ratio of lower (min), mid-range (mid), an upper (max) OR cost of care to standard DRG reimbursement (A) and complex DRG reimbursement (B). There was a difference between the estimated ratios versus standard and complex DRG reimbursement (p < 0.001). Operating room, OR; diagnosis related groups, DRG