1 Severe COPD was defined as Global Initiative for Chronic Obstructive Disease(GOLD) stages II to IV.
2 Coughlin, S., Lee-Chiong MD, T. (2017). “Cost Savings from Reduced Hospitalizations with Use of Home Noninvasive Ventilation for COPD.” Published. http://www.valueinhealthjournal.com/article/S1098-3015(16)30068-7/abstract
3 Averaged volume assured pressure support with autoexpiratory positive airway pressure
4 "How Serious Is COPD." American Lung Association. Web. 07 Mar. 2017.
5 Adeloye, D. (2015). “Global and regional estimates of COPD prevalence: Systematic review and meta-analysis.” Published. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4693508/
6 Murphy DO, T. (2016). “Is Variation on Following the GOLD Guidelines Provider Dependent?” Published. http://journal.publications.chestnet.org/article.aspx?articleid=2568785&resultClick=1
7 Results are based on a single-center initiative and may vary by institution. See “Cost Savings from Reduced Hospitalizations” study limitations section.
8 Philips-sponsored market survey study of 120 DMEs on the brands of ventilators the DMEs set-up for patients in May 2016.