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. 2019 Feb 19;19(6):1–199.

Figure 6: Cost-Effectiveness Acceptability Curve: Internet-Delivered CBT, In-Person CBT, and Usual Care for Major Depression, a Sensitivity Analysis Assuming a 5% Decrease in the Utility Weight Associated With Guided iCBT.

Figure 6:

Abbreviations: CBT, cognitive behavioural therapy; iCBT, internet-delivered CBT; QALY, quality-adjusted life-year; WTP, willingness to pay. The cost-effectiveness acceptability curve graphically presents the probability of cost-effectiveness of the examined CBT strategies and usual care across various willingness-to-pay values on the x–y coordinate system. The x-axis shows the probability of cost-effectiveness (range: 0–1) and the y-axis represents willingness-to-pay values (range: $0 to $100,000 per QALY gained).