Some key findings from the audit:
Inpatient mortality was 26%. It has reduced from 34% in 2013 and represents the first time that mortality has improved since the first BTS audit in 2010.
Compared to the last audit, an increased proportion of patients treated with acute non-invasive ventilation (NIV) had COPD, the indication with the strongest evidence. We saw a decreased proportion of patients who were treated with NIV despite no clearly documented indication. This suggests improved patient selection in line with the evidence base for NIV.
50% of patients treated with NIV st