Authors (in order) | Schwellnus et al., (2021) | Petracek et al., (2021) | Petek et al., (2021) | Moulsen et al., (2021) | Martinez et al., (2021) | Krzywanski et al., (2021) | Hull et al., (2021) | Brito et al., (2021) |
COVID-19 status | PCR +ve (N = 37), Positive antibodies (N = 3) | PCR and antibody test | Tests via PCR, antigen or antibodies | PCR (N = 2465), Antigen (N = 234) or antibody (N = 263) testing, Asymptomatic excluded | Asymptomatic excluded, PCR and antibody testing used | Asymptomatic excluded | Assumed positive (N = 76), PCR or antibody testing (N = 71), Asymptomatic excluded | Symptomatic (N = 38), Asymptomatic (N = 16) |
Severity of COVID-19 | Full list of COVID symptoms | Mild symptoms including anosmia, cough, sore throat, headache and fatigue | Categorised symptoms as Mild, Moderate and cardio- pulmonary | Asymptomatic (N = 887), Mild (N = 839), Moderate (N = 663), Cardio- pulmonary (N = 337) | Preceding viral symptoms (N = 460), Asymptomatic (N = 329) | Mild (N = 93), Moderate (N = 2) | Not mentioned | Not mentioned |
Fatigue outcome | Extensive fatigue (N = 45), Moderate fatigue (N = 30) | 40 on Wellness score, 6 months post infection diagnosed with CFS | Exertional fatigue (N = 32), Persistent symptoms 3 weeks disease onset (N = 15) | Assessed fatigue as mild symptoms | Fatigue observed (N = 5) | Tiredness (N = 62) | N = 69 (<28 days), N = 15 (>28 days) | 1/4 symptomatic patients had fatigue |