Article Figures & Data
Figures
- Fig 1.
Multivariable (2-way) sensitivity analysis graph demonstrating how the decision depends on the values of the probability of positive findings on a CTA and CTP examination in symptomatic patients (Sx) and the probability of symptoms in the SAH population across all ranges. The new strategy represents CTAP imaging, and the standard strategy represents TCD imaging.
- Fig 2.
Probabilistic sensitivity analysis scatterplot (A) and cost-effectiveness acceptability curves (B) comparing the new strategy versus the standard strategy. The new strategy represents CTAP imaging and the standard strategy represents TCD imaging.
Tables
Health benefits (QALYs) and costs for the base case scenario and subgroup analyses in symptomatic and asymptomatic patients
Imaging Strategy QALYs Cost Base case scenario: CTAP 13.89 $147,097 TCD 13.62 $154,719 Difference (CTAP-TCD) +0.27 −$7,622 Symptomatic subgroup: CTAP 13.75 $149,382 TCD 13.74 $152,820 Difference (CTAP-TCD) +0.01 −$3,438 Asymptomatic subgroup: CTAP 13.99 $145,228 TCD 13.51 $156,272 Difference (CTAP-TCD) +0.48 −$11,044
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