Characteristics of patients who have died after being set-up on noninvasive ventilation (NIV)

Subjects n3010
Age at death54.0±8.7
Age at admission45.3±12.952.9±9.10.074
Gender male15 (50)4 (40)0.721
NIV indicated13 (43)8 (80)0.044
PCO2 at admission6.6±0.87.6±1.60.006
PCO2 at follow-up6.0±0.66.7±0.70.004
Hours of NIV at follow-up3.4 (0–10.4)1.6 (0.2–7.9)0.240
FEV1 % pred71±1958±150.074
FVC % pred71±2057±160.040

Data are presented as mean±sd, n (%) or median (range), unless otherwise stated. Values in bold represent statistically significant results. PCO2: carbon dioxide tension; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity.