Skip to main content
Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: The effect of 50% oxygen on PtCO2 in patients with stable COPD, bronchiectasis, and neuromuscular disease or kyphoscoliosis: randomised cross-over trials

Fig. 1

Flow of participants through studies. BMI: Body mass index, COPD: Chronic obstructive pulmonary disease, CT: Computerised tomography, FEV1: Forced expiratory volume in 1 s, FVC: Forced vital capacity, SNIP: Sniff nasal inspiratory pressure. *Burkholderia or other result at the investigator’s discretion. ** T valve tubing malfunction for 1 participant in the Bronchiectasis study and Sentec maintenance error for 1 participant in the COPD study. See Online Supplement for further detail. See legend of Table 3 and Online Supplement for further N value details

Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us