Table 7

Cost-utility analysis based on institutional financial modeling

ACDF (n = 15)CDA (n = 13)P-value
Hospital cost (HCost)*$16,108 ± $2935$16,004 ± $78650.97
Physician cost—Surgeon*$3107 ± $0$1826 ± $0<0.01
Physician cost—Anesthesia*$596 ± $37$610 ± $370.94
Total cost (TCost)*$19,811 ± $2935$18,440 ± $78650.56
NDI
 HCost/QALY—Year 1$100,674$123,104
 HCost/QALY—Year 2$43,535$59,272
 TCost/QALY—Year 1$123,818$141,842
 TCost/QALY—Year 2$53,543$68,295
 ICER ACDF vs CDA—Year 1$45,700
 ICER ACDF vs CDA—Year 2$13,710
SF-36
 HCost/QALY—Year 1$70,034$106,690
 HCost/QALY—Year 2$34,272$50,011
 TCost/QALY—Year 1$86,134$122,930
 TCost/QALY—Year 2$42,151$57,624
 ICER ACDF vs CDA—Year 1$17,138
 ICER ACDF vs CDA—Year 2$9140
  • * Values given as mean ± standard deviation.

  • Hospital cost plus CPT-based fees for surgeon and anesthesia.

  • Statistically significant.