Table 3.

ORs associating obstructive sleep apnoea with severe COVID-19

	OR	95% CI	P value
Model 1	3.85	1.82 to 8.13	4.13×10−4*
Model 2	3.45	1.27 to 9.35	0.016*
Model 3	2.93	1.02 to 8.39	0.045*

Model 1 is adjusted for age and sex. Model 2 is adjusted for body mass index (BMI) in addition to covariates of Model 1. Model 3 is adjusted for BMI, hypertension, diabetes, coronary heart disease, asthma and chronic obstructive pulmonary disease in addition to covariates of model 1.

*Statistically significant.