Inflammatory profiles are associated with long COVID up to 6 months after illness onset: A prospective cohort study of patients with mild to critical COVID-19 7 235 Supplementary Figure S4. Log-concentrations of inflammatory markers at 21-24 weeks after illness onset among RECoVERED study participants, stratified by impaired diffusion capacity at month 6 after illness onset Individuals were stratified by whether or not their lung function test was normal or abnormal (abnormal defined as having an impaired diffusion capacity [DLCO] – i.e., below the lower limit of normal). Each dot represents an individual coloured by initial severity of COVID-19 (mild or moderate disease only). The mean value is plotted for each individual with multiple measurements within the binned time period. A Mann-Whitney U test was used to test if measurements between those with and without abnormal lung function were significantly different. Multiple testing correction was performed using the Bonferroni method and comparisons with family-wise error rate < 0.05 were marked with an “*”.
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