Fig. 3From: Predictors of positive airway pressure therapy termination in the first year: analysis of big data from a German homecare providerTime to therapy termination by first device used (Cox proportional hazards regression). APAP, automatic continuous positive airway pressure; ASV, adaptive servo-ventilation; Bilevel, bilevel positive airway pressure; CPAP, continuous positive airway pressure; HR, hazard ratioBack to article page