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. Author manuscript; available in PMC: 2022 Jun 1.
Published in final edited form as: J Am Coll Radiol. 2020 Dec 30;18(6):820–833. doi: 10.1016/j.jacr.2020.12.013

Table 3.

Cost-effectiveness analyses of initial imaging strategies for the base-case scenario.

Stepwise-CT Stepwise-Hybrid Stepwise-Advance Comprehensive-CT Comprehensive-MR
Dominated Yes Yes Yes No No
Cost
QALY 		$223,691
4.78		 $223,670
4.78		 $223,323
4.79		 $223,003
4.81		 $224,280
4.82
ICER -- -- -- Reference $233,000/QALY

Projected lifetime cost and quality-adjusted life-years (QALYs) of the strategies correspond to the expected lifetime healthcare cost and QALYs per patient gained after stroke intervention (treatment or no treatment). Dominated strategies are removed from the incremental cost-effectiveness ratio (ICER) analyses and the first-ranked strategy is designated as the reference in the ICER analyses.