Severe fatigue in the first year following SARS-CoV-2 infection: A prospective cohort study 5 165 Supplementary Figure S2. Proportions of missing surveys over time, by COVID-19 clinical severity 83 17 83 17 80 20 49 28 23 26 52 22 75 25 91 9 71 12 18 51 25 24 27 46 26 47 53 77 3 20 53 25 22 44 34 22 37 42 22 0 20 40 60 80 100 Percentage of participants, % Mild Moderate Severe/critical Month 1 Month 3 Month 6 Month 9 Month 12 Month 1 Month 3 Month 6 Month 9 Month 12 Month 1 Month 3 Month 6 Month 9 Month 12 Proportion of missing surveys By COVID-19 clinical severity Non-missing To be completed Not completed Month denotes time since illness onset that survey was completed. Numbers reported within bars denote the percentage of participants in each category, of the total in each category. Missing surveys include both participants who have not yet reached the time-point (dark grey), and those who reached the time-point but failed to complete the fatigue survey (light grey). Clinical severity scores defined as follows: mild disease as having a RR<20/min and SpO2 >94% on room air at both D0 and D7 study visits; moderate disease as having a RR20-30/min and SpO2 9094% or receiving oxygen therapy at D0 or D7 study visits; severe disease as having a RR>30/min and SpO2 <90% or receiving oxygen therapy at D0 or D7 study visits; critical disease as requiring ICU admission as a result of COVID-19 at any point.
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