Fig. 1From: Changes in insomnia severity with advanced PAP therapy in patients with posttraumatic stress symptoms and comorbid sleep apnea: a retrospective, nonrandomized controlled studyFlowchart showing inclusion and exclusion criteria resulting in the 96 patients comprising our three compliance groups. PSS: PTSD Symptom Scale; PAP: positive airway pressure; ODD: objective data download; a No evidence available to prove patient is using or attempting to use PAP; b Current PAP Users based on any one or more of the criteria in the box; c Met use criteria but no ODD availableBack to article page