Research Article

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

Table 8

Comparison of factors affecting the COVID-19 patients developing severe illnesses after assignment.

ScoreDegree of freedomSignificance

Step 0VariateAge201.9771<0.001
Underlying diseases62.6081<0.001
Number of symptoms88.7751<0.001
Total statistics253.8243<0.001