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. 2012 Sep 19;68(1):91–96. doi: 10.1136/thoraxjnl-2012-201900

Figure 4.

Figure 4

Mean disease alleviation (MDA) is equal to the surface area of the rectangle for which the length is given by the adjusted compliance (objective oral appliance (OA) use/total sleep time), and the height is given by the therapeutic efficacy (AHI baseline minus AHI with OA applied, expressed in percentage). MDA provides a measure of overall therapeutic effectiveness.