Table 2.

Risk of death among patients admitted with COVID-19 wave 1 and wave 2 as compared to those who were admitted with non-COVID-19 related causes in the pre-pandemic and pandemic periods

	Logistic regression
	Model 1: unadjusted			Model 2: adjusted for age and sex
	OR	95%CI	P	OR	95%CI	P
In-patient mortality
Pre-pandemic period (reference)	1	–	–	1	–	–
Pandemic period: other causes	0.78	0.70–0.87	< 0.001	0.78	0.70–0.87	< 0.001
Pandemic period: wave 1	5.91	4.67–7.48	< 0.001	6.87	5.33–8.87	< 0.001
Pandemic period: wave 2	3.42	2.92–4.02	< 0.001	4.35	3.66–5.16	< 0.001
Mortality within 30 days
Pre-pandemic period (reference)	1	–	–	1	–	–
Pandemic period: other causes	0.87	0.76–0.99	0.041	0.86	0.75–0.99	0.040
Pandemic period: wave 1	1.30	0.75–2.26	0.345	1.63	0.93–2.85	0.090
Pandemic period: wave 2	0.44	0.27–0.71	0.001	0.57	0.35–0.92	0.021