Table 2

Outcomes in those enrolled to CO@h versus not enrolled, and ORs for enrolment

Outcome	Not enrolled		Enrolled					95% CI
Outcome	Number	Percentage	Number	Percentage	OR	SE	P value	Lower	Upper	Denominator
Death within 28 days	1768	2.7%	11	1.5%	0.53	0.16	0.04	0.29	0.97	65 048
Any ED attendance within 28 days	15 463	24.0%	215	28.9%	1.29	0.10	0.002	1.10	1.51	65 048
Any hospital admission within 28 days	10 051	15.6%	169	22.7%	1.59	0.14	<0.001	1.34	1.89	65 048
Any critical care use of those admitted	1109	11.0%	11	6.5%	0.56	0.18	0.065	0.30	1.04	10 220

	Mean	SD	Mean	SD	IRR	SE	P value	Lower	Upper	Denominator
Length of stay (days)	6.70	6.40	6.15	5.54	0.904	0.075	0.221	0.768	1.063	9237

CO@h, COVID-19 Oximetry @home; IRR, incidence rate ratio; OR, odds ratio; SD, standard deviation; SE, standard error.