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

Table 3

Analysis of clinical symptoms in common and severe types of COVID-19 in classification analysis.

			Score	Degree of freedom	Significance
Step 0	Variate	Age	201.977	1	<0.001
		Complications	77.084	1	<0.001
		Underlying diseases	62.608	1	<0.001
		Number of symptoms	88.775	1	<0.001
	Total statistics		268.215	4	<0.001