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

Table 6

Comparison of clinical symptom indices between common and severe COVID-19 patients after removing complications.

			Score	Degree of freedom	Significance
Step 0	Variate	Age	201.977	1	<0.001
		Fever	31.379	1	<0.001
		Cough	57.544	1	<0.001
		Fatigue	16.094	1	<0.001
		Gastrointestinal symptoms	4.094	1	0.043
		Chest tightness	27.151	1	<0.001
		Hypertension	17.225	1	<0.001
		Chronic kidney disease	12.484	1	<0.001
		Diabetes	30.032	1	<0.001
		Cerebrovascular disease	6.948	1	0.008
		COPD	58.400	1	<0.001
		Tumor	7.906	1	0.005
	Total statistics		289.142	12	<0.001

Regression equation: .