Variables at enrolment associated with failure of treatment
Variable | Univariate analysis p value | Multivariate analysis | |||
---|---|---|---|---|---|
Odds ratio | p value | ||||
Age | 0.569 | ||||
Sex | 0.526 | ||||
H+ | <0.001 | 1.22 (1.09 to 1.37) per nmol/l | <0.01 | ||
Pao 2 | 0.035 | ||||
Paco 2 | <0.001 | 1.14 (1.14 to 1.81) per kPa | <0.01 | ||
Respiratory rate | 0.330 | ||||
Radiographic consolidation | 0.136 | ||||
Allocation to NIV | 0.038 | 0.39 (0.19 to 0.80) | <0.01 |
Paco2 , Pao 2 = arterial carbon dioxide and oxygen tensions; NIV = non-invasive ventilation.