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 ± $7865	0.97
Physician cost—Surgeon*	$3107 ± $0	$1826 ± $0	<0.01‡
Physician cost—Anesthesia*	$596 ± $37	$610 ± $37	0.94
Total cost (TCost)†*	$19,811 ± $2935	$18,440 ± $7865	0.56
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.