Time to recovery and its predictors among adults hospitalized with COVID-19: A prospective cohort study in Ethiopia

Saro Abdella Abrahim, Masresha Tessema, Atkure Defar, Alemayehu Hussen, Eshetu Ejeta, Getachew Demoz, Addisu Birhanu Tereda, Enatenesh Dillnessa, Altaye Feleke, Misiker Amare, Frehiwot Nigatu, Yaregal Fufa, Hailu Refera, Ayalew Aklilu, Munir Kassa, Tsigereda Kifle, Susan Whiting, Getachew Tollera, Ebba Abate

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Copyright: © 2020 Abrahim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Background Various factors may determine the duration of viral shedding (the time from infection to viral RNA-negative conversion or recovery) in COVID-19 patients. Understanding the average duration of recovery and its predictors is crucial in formulating preventive measures and optimizing treatment options. Therefore, evidence showing the duration of recovery from COVID-19 in different contexts and settings is necessary for tailoring appropriate treatment and prevention measures. This study aimed to investigate the average duration and the predictors of recovery from Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection among COVID-19 patients. Method A hospital-based prospective cohort study was conducted at Eka Kotebe General Hospital, COVID-19 Isolation and Treatment Center from March 18 to June 27, 2020. The Center was the first hospital designated to manage COVID-19 cases in Ethiopia. The study participants were all COVID-19 adult patients who were admitted to the center during the study period. Follow up was done for the participants from the first date of diagnosis to the date of recovery (negative Real-time Reverse Transcriptase Polymerase Chain Reaction (rRT-PCT) test of throat swab). Result A total of 306 COVID-19 cases were followed up to observe the duration of viral clearance by rRT-PCR. Participants’ mean age was 34 years (18–84 years) and 69% were male. The median duration of viral clearance from each participant’s body was 19 days, but the range was wide: 2 to 71 days. Cough followed by headache was the leading sign of illness among the 67 symptomatic COVID-19 patients; and nearly half of those with comorbidities were known cancer and HIV/AIDS patients on clinical follow up. The median duration of recovery from COVID-19 was different for those with and without previous medical conditions or comorbidities. The rate of recovery from SARS-CoV-2 infection was 36% higher in males than in females (p = 0.043, CI: 1.01, 1.85). The rate of recovery was 93% higher in those with at least one comorbidity than in those without any comorbidity. The risk of delayed recovery was not influenced by blood type, BMI and presence of signs or symptoms. The findings showed that study participants without comorbidities recovered more quickly than those with at least one comorbidity. Therefore, isolation and treatment centers should be prepared to manage the delayed stay of patients having comorbidity.
12 December
已出版 - 1 十二月 2020

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