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. 2017 Jun 29;25(8):1451–1459. doi: 10.1002/oby.21908

Figure 4.

Figure 4

Within‐treatment cohort analysis of the relationship of BMI change and of presurgical use of CPAP on the categorical outcome (with filled hypnotics and/or sedative prescriptions, Yes/No) in the overall matched study population (left) and for the continuous outcome (mean treatment dose, DDDs) among those with filled hypnotics and/or sedatives prescriptions at 1 and/or 2 years prior to treatment (right). *Adjusted for baseline age, sex, education, and cumulative DDDs prior to treatment. Poisson distribution assumed. Abbreviations: CPAP, continuous positive airway pressure; DDDs, defined daily doses.