Table 4

Admission free-survival (univariate)

FactorHR95% CI
Home NIV (vs no NIV)1.420.99 to 2.02
Female sex1.170.97 to 1.42
Age (per year)1.011.00 to 1.02
Sedative drugs1.110.90 to 1.38
Charlson Score0.950.89 to 1.02
Cardiac failure1.311.06 to 1.63
Chronic pulmonary disease1.000.83 to 1.22
Obesity0.740.54 to 1.00
Obstructive sleep apnoea0.710.47 to 1.06
Unsupervised NIV1.460.99 to, 2.15
Supervised NIV1.030.67 to 1.53