The Prediction Model of Risk Factors for COVID-19 Developing into Severe Illness Based on 1046 Patients with COVID-19

Table 7

Influential factors of aggravation to severe COVID-19 after removing complications.

		B	Standard error	Wald	Degree of freedom	Significance	Exp (B)	95% CI of Exp (B)
								Lower limit	Upper limit
Step 1^a	Age	0.119	0.012	93.249	1	<0.001	1.126	1.099	1.153
	Fever	0.456	0.424	1.156	1	0.282	1.577	0.687	3.622
	Cough	1.807	0.421	18.389	1	<0.001	6.092	2.667	13.915
	Fatigue	0.390	0.499	0.611	1	0.434	1.477	0.556	3.927
	Gastrointestinal symptoms	0.023	0.886	0.001	1	0.979	1.024	0.180	5.816
	Chest tightness	0.247	0.810	0.093	1	0.760	1.281	0.262	6.268
	Hypertension	−0.153	0.461	0.110	1	0.740	0.858	0.348	2.117
	Chronic kidney disease	−0.044	0.838	0.003	1	0.958	0.957	0.185	4.946
	Diabetes	0.436	0.484	0.813	1	0.367	1.547	0.599	3.993
	Cerebrovascular disease	0.931	0.995	0.875	1	0.350	2.536	0.361	17.815
	COPD	2.017	0.792	6.480	1	0.011	7.513	1.590	35.491
	Tumor	0.731	1.101	0.441	1	0.507	2.078	0.240	17.998
	Constant	−9.082	0.755	144.843	1	<0.001	<0.001