Figure 4: Multivariate Cox regression model assessing the influence of known risk factors on PAP therapy termination.

The total number of events was 5912. HR=hazard ratio. PAP=positive airway pressure. rAHI=residual apnoea–hypopnoea index.

The total number of events was 5912. HR=hazard ratio. PAP=positive airway pressure. rAHI=residual apnoea–hypopnoea index.