Effects of Early Physical and Pulmonary Rehabilitation for Severely and Critically ill COVID 19 Patients: A Retrospective, Cohort, and Multicenter Study

Di Qi Second A liated Hospital of Chongqing Medical University Xiaofeng Yan Chongqing Public Health Medical Center Jianglin Xiang Chongqing Three Gorges Central Hospital Junnan Peng Second A liated Hospital of Chongqing Medical University Qian Yu Second A liated Hospital of Chongqing Medical University Xumao Tang Second A liated Hospital of Chongqing Medical University Jin Tong Second A liated Hospital of Chongqing Medical University Longhua Feng Qianjiang Central Hospital of Chongqing Jing Yuan Chongqing Public Health Medical Center Yuyan Song Chongqing Public Health Medical Center Guodan Yuan Chongqing Public Health Medical Center Daoxin Wang (  wangdaoxin0163@163.com ) Second a liated hospital of Chongqing medical university