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. 2015 Aug 15;11(8):861–868. doi: 10.5664/jcsm.4934

Figure 4. Extent of upper airway collapse (apnea vs. hypopnea) and mandibular advancement splint (MAS) efficacy.

Figure 4

OSA patients were classified as A: Apnea-predominant (n = 46), B: Hypopnea-predominant (n = 216) or C: Intermittent Apnea/Hypopnea (n = 92). Response rates are shown for each OSA phenotype using three definitions of response: AHI/AI/HI > 5 (treatment AHI/AI/HI < 5/h), AHI/AI/HI > 10 (treatment AHI < 10/h with ≥ 50% reduction from baseline AHI) and > 50% (≥ 50% AHI/AI/HI reduction from baseline).*p < 0.01 Baseline AHI/AI/HI vs. MAS AHI/AI/HI. #p < 0.001 change in Apnea Index vs. Hypopnea Index.