Symptoms General group (n=32) Heavy group (n=31) χ2 P value
Fever 26 25 0.004 0.951
Cough 22 21 0.007 0.932
Chest tightness 9 12 0.794 0.373
Dyspnea 14 20 2.733 0.098
Chest Pain 19 16 0.384 0.535