15 April 2021 : Clinical Research
Persistent Somatic Symptom Burden and Sleep Disturbance in Patients with COVID-19 During Hospitalization and After Discharge: A Prospective Cohort Study
Shujie Huang12ABCDE, Weitao Zhuang12ABDEF, Dongya Wang34BDF, Lulu Zha34BD, Xi Xu34BCD, Xiangdong Li43BF, Qiuling Shi5CDE, Xin Shelley Wang6CDE, Guibin Qiao78A*DOI: 10.12659/MSM.930447
Med Sci Monit 2021; 27:e930447
Supplementary Table 2 The modified Medical Research Council scale (mMRC).
| Severity | Grade | |
|---|---|---|
| Dyspnea only with strenuous exercise | No dyspnea | 0 |
| Dyspnea when hurrying or walking up a slight hill | Slight dyspnea | 1 |
| Walks slower than people of the same age because of dyspnea or has to stop for breath when walking at own pace | Moderate dyspnea | 2 |
| Stops for breath after walking 100 yards (91m) or after a few minutes | Severe dyspnea | 3 |
| Too dyspneic to leave house or breathless when dressing | Very severe dyspnea | 4 |






