Obesity, chronic disease, age, and in-hospital mortality in patients with covid-19: analysis of ISARIC clinical characterisation protocol UK cohort

Table 1 Participant characteristics stratified by sex

*Categorical Variables*	Men (n = 35,065)			Women (27,624)
*Categorical Variables*	Number	Column %		Number	Column %
Age Category
< 50 years	5398	15.4		4586	16.6
50–59 years	4408	12.6		2745	9.9
60–69 years	5789	16.5		3587	13.0
70–79 years	8187	23.3		5581	20.2
80 years	11,283	32.2		11,125	40.3
Hypertension	9756	46.4		8234	46.3
Chronic Heart Disease	11,491	33.2		7651	28.1
Diabetes	8379	24.8		5364	20.1
Chronic pulmonary disease	5985	17.3		4449	16.3
Chronic Kidney Disease	5553	16.0		4583	16.8
Cancer	4197	12.1		3161	11.6
Any chronic disease	24,007	68.5		18,316	66.3
Obesity	3901	11.1		3561	12.9
Mutually exclusive categories of obesity and chronic disease
Non obese, no chronic disease	10,103	28.8		8259	29.9
Obese, no chronic disease	955	2.7		1049	3.8
Non-obese, with chronic disease	21,061	60.1		15,804	57.2
Obese with chronic disease	2946	8.4		2512	9.1
In-hospital mortality within 28 days	10,001	28.5		6407	23.2
Discharged within 28 days	20,388	58.1		17,625	63.8
Remain in hospital after 28 days	4676	13.3		3592	13.0
*Continuous Variables*	Median	25th percentile	75th percentile	Median	25th percentile	75th percentile
Days in hospital until death	9	4	16	8	4	16
Days in hospital until discharge	8	4	16	8	4	16

ISSN: 1471-2334