Dreher - Figure 13
4. Positive Pressure Ventilation Trial
The German multicenter study[5] also measured HRQOL using the severe respiratory insufficiency (SRI) questionnaire. This Figure shows that only the group receiving HMV significantly improved over time, whereas there was no improvement in the control group.
Dreher M. Chest 2017:00.
References
[5]
Köhnlein T, Windisch W, Köhler D, et al. Non-invasive positive pressure ventilation for the treatment of severe stable chronic obstructive pulmonary disease: a prospective, multicentre, randomised, controlled clinical trial. Lancet Respir Med. 2014;2:698–705. doi: 10.1016/S2213-2600(14)70153- 5.