Fig. 4From: The potential role of cost-utility analysis in the decision to implement major system change in acute stroke services in metropolitan areas in EnglandDifference-in-difference cost-effectiveness plane of the adjusted difference in 10-year costs and QALYs between London before and after reconfigurations minus the difference in England over the same time period, and the difference in costs and QALYs in GM compared to England over the same time periodBack to article page