Fig. 3From: The prevalence of non-invasive ventilation and long-term oxygen treatment in Helsinki University Hospital area, FinlandPatients’ survival during follow-up 1.1.2018–1.1.2021. COPD, chronic obstructive pulmonary disease; NMD, neuromuscular disease; RCWD, restrictive chest wall disease; OHS, obesity-hypoventilation syndrome; ILD, interstitial lung disease; Misc, miscellaneousBack to article page