Table 2

Summary results for the stratified mixed effect Cox proportional hazards model

VariableReferenceHR95% CI
Age1.031.02 to 1.04
Hypertension01.721.46 to 2.01
Intubated02.861.29 to 6.36
From care home01.961.01 to 3.80
CPAP stratified by time ≤7 days0.380.36 to 0.40
CPAP stratified by time >7 days1.721.40 to 2.12
Interaction hypertension and intubated0:00.230.11 to 0.45
  • CPAP, continuous positive air pressure.