Table 3.

Results of Egger test.

Group	Fever	Cough	Myalgia or fatigue	Acute respiratory distress syndrome	Death	COPD	Multiple mottling and ground-glass opacity	Bilateral patchy shadowing	Bilateral pneumonia
P	0.103	0.054	0.592	0.868	0.197	0.127	0.155	0.238	0.004