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. 2018 Apr 15;14(4):575–583. doi: 10.5664/jcsm.7048

Figure 2. Flowchart of the patient population.

Figure 2

79 of the 200 included patients completed the study protocol. 45 patients were responders (reduction in REI ≥ 50%), whereas 34 patients did not meet the responder criteria. HSAT = home sleep apnea test, POSA = positional obstructive sleep apnea, REI = respiratory event index.