Fig. 2

Comparison of fatigue, physical capacity, sleep and health quality, and psychological status between healthy controls and COVID-19 patients at different time points. A-B Comparison of fatigue symptoms between COVID-19 patients and healthy controls through FAS and FSS. C Comparison of physical capacity between patients and healthy controls through 6MWT. D Comparison of sleep quality between patients and healthy controls through PSQI. E Comparison of health quality between patients and healthy controls through EQ-5D-VAS. F Comparison of health quality between patients and healthy controls through EQ-5D index. G Comparison of anxiety between patients and healthy controls through HAMA. H Comparison of depression between patients and healthy controls through HAMD. Horizontal black lines above data sets mark significant differences (*P < 0.05, **P < 0.01, ***P < 0.001). Abbreviations: FAS, fatigue assessment scale; FSS, fatigue severity scale; 6MWT, 6-minute walking test; PSQI, pittsburgh sleep quality index; EQ-5D-VAS, euroqol five-dimensional questionnaire visual analogue scale; EQ-5D Index, euroqol health-utility index; HAMA, hamilton anxiety scale; HAMD, hamilton depression scale