Fig. 3
From: Construct validity of the Post-COVID-19 Functional Status Scale in adult subjects with COVID-19
Comparisons of work productivity and activity impairment between subjects with COVID-19 stratified according to the level of impairment in functional status. a P < 0.05 compared with Grade 0; b P < 0.05 compared with Grade 1; c P < 0.05 compared with Grade 2; d P < 0.05 compared with Grade 3. Figure displays the median as central line, interquartile range as the limits of the box and 10 and 90 percentiles as whiskers