Title: Expression of concern: 6-month consequences of COVID-19 in patients discharged from hospital: a cohort study
Abstract: On Jan 8, 2021, The Lancet published an Article, 6-month consequences of COVID-19 in patients discharged from hospital: a cohort study, by Chaolin Huang and colleagues.1Huang C Huang L Wang Y Li X Ren L Gu X 6-month consequences of COVID-19 in patients discharged from hospital: a cohort study.Lancet. 2021; 397: 220-232Summary Full Text Full Text PDF PubMed Scopus (2619) Google Scholar On Aug 28, 2021, The Lancet published an Article, 1-year outcomes in hospital survivors with COVID-19: a longitudinal cohort study, by Lixue Huang and colleagues.2Huang L Yao Q Gu X Wang Q Ren L 1-year outcomes in hospital survivors with COVID-19: a longitudinal cohort study.Lancet. 2021; 398: 747-758Summary Full Text Full Text PDF PubMed Scopus (540) Google Scholar We received an inquiry from a researcher on data inconsistencies between these two Articles, and we sought an explanation from the corresponding author of the two papers. On Nov 7, 2022, Lancet editors were informed that inconsistencies between the 6-month and the 1-year data were due to "some variables in the dataset used for the 6-month paper were mistakenly disrupted in order". In view of the extent of these data errors, we now issue an Expression of Concern about the 6-month paper1Huang C Huang L Wang Y Li X Ren L Gu X 6-month consequences of COVID-19 in patients discharged from hospital: a cohort study.Lancet. 2021; 397: 220-232Summary Full Text Full Text PDF PubMed Scopus (2619) Google Scholar while we investigate further, including further statistical and clinical review of the corrected data. We will update this notice as soon as we have further information. RETRACTED: 6-month consequences of COVID-19 in patients discharged from hospital: a cohort studyAt 6 months after acute infection, COVID-19 survivors were mainly troubled with fatigue or muscle weakness, sleep difficulties, and anxiety or depression. Patients who were more severely ill during their hospital stay had more severe impaired pulmonary diffusion capacities and abnormal chest imaging manifestations, and are the main target population for intervention of long-term recovery. Full-Text PDF