Table 4.

Summarized P values of Egger’s tests for symptoms with more than 10 studies

Phenotype	Number of studies	P value of Egger’s test
General problems
Fatigue	21	0.14
Muscle pain	13	0.093
Neurological problems
Smell loss	18	0.616
Taste loss	12	0.517
Headache	14	0.022*
Cardiopulmonary problems
Chest pain	11	0.048
Dyspnea	17	0.007*
Cough	14	0.085

^*p < 0.05 indicates significance