Manifestation | Retrospective | Prospective | P value | ||||
Studies | Prevalence (95% CI) | I2 | Studies | Prevalence (95% CI) | I2 | ||
Headache | 46 | 11.1 (8.0 to 15.3) | 98.3 | 34 | 37.5 (29.3 to 46.5) | 98.2 | <0.001 |
Myalgia | 42 | 16.8 (11.8 to 23.1) | 99.1 | 30 | 38.6 (29.6 to 48.5) | 98.5 | <0.001 |
Anosmia | 16 | 22.3 (11.4 to 39.0) | 98.0 | 44 | 50.8 (42.5 to 59.1) | 98.6 | <0.005 |
Dysgeusia | 13 | 22.3 (11.0 to 40.2) | 97.8 | 36 | 42.4 (34.4 to 50.9) | 98.5 | 0.04 |
Fatigue | 41 | 33.5 (26.1 to 41.8) | 98.8 | 24 | 43.3 (33.2 to 54.1) | 98.5 | 0.14 |