Table 3

Subgroup analysis by study design for five most commonly studied clinical manifestations

ManifestationRetrospectiveProspectiveP value
StudiesPrevalence (95% CI)I2 StudiesPrevalence (95% CI)I2
Headache4611.1 (8.0 to 15.3)98.33437.5 (29.3 to 46.5)98.2<0.001
Myalgia4216.8 (11.8 to 23.1)99.13038.6 (29.6 to 48.5)98.5<0.001
Anosmia1622.3 (11.4 to 39.0)98.04450.8 (42.5 to 59.1)98.6<0.005
Dysgeusia1322.3 (11.0 to 40.2)97.83642.4 (34.4 to 50.9)98.50.04
Fatigue4133.5 (26.1 to 41.8)98.82443.3 (33.2 to 54.1)98.50.14