Table 7.

Linear regression analyses between COVID-19 inpatient’s DALY and individual variables

Variable	Model type I*								Model type II†
	Overall sample		Taikang-Tongji		Huoshenshan		Guanggu Woman and Child		Overall sample		Taikang-Tongji		Huoshenshan		Guanggu Woman and Child
	R2=0.222		R2=0.214		R2=0.224		R2=0.240		R2=0.164		R2=0.188		R2=0.170		R2=0.153
	β	P value	β	P value	β	P value	β	P value	β	P value	β	P value	β	P value	β	P value
Age	−0.415	<0.001	−0.431	<0.001	−0.388	<0.001	−0.429	<0.001	−0.290	<0.001	−0.288	<0.001	−0.269	<0.001	−0.312	<0.001
Sex	0.069	<0.001	0.070	0.020	0.088	0.003	0.048	0.098	0.037	0.037	0.047	0.123	0.070	0.022	−0.002	0.956
Symptom duration before hospitalisation	0.166	<0.001	0.169	<0.001	0.206	<0.001	0.133	<0.001	0.208	<0.001	0.207	<0.001	0.251	<0.001	0.180	<0.001
Length of stay	0.312	<0.001	0.265	<0.001	0.334	<0.001	0.338	<0.001	−0.139	<0.001	−0.184	<0.001	−0.134	<0.001	−0.108	0.001
Body mass index	0.048	0.005	0.090	0.003	0.011	0.719	0.042	0.146	0.062	<0.001	0.101	0.001	0.030	0.331	0.056	0.068
Native place	0.015	0.365	0.000	0.987	−0.017	0.549	0.030	0.303	0.003	0.856	−0.005	0.882	−0.002	0.951	0.024	0.437

*Dependent variable is overall DALY.

†Dependent variable is DALY per day.

DALY, disability-adjusted life years.