Fig. 2From: Changes in insomnia severity with advanced PAP therapy in patients with posttraumatic stress symptoms and comorbid sleep apnea: a retrospective, nonrandomized controlled studyComparison of mean (standard error) ISI total score, intake vs. Outcome, from compliant regular users (C-RU; n = 68), subcompliant regular users (SC-RU; n = 12), and non-compliant minimal users (NC-MU; n = 16).a. Footnote: aScores for ISI expressed as the mean (SE) and analyzed with repeated measures ANOVA; P and Hedge’s g values for changes in the score from intake to outcomeBack to article page