• Ali S Omrani, Muna A Almaslamani, Joanne Daghfal, Rand A Alattar, Mohamed Elgara, Shahd H Shaar, Tawheeda B H Ibrahim, Ahmed Zaqout, Dana Bakdach, Abdelrauof M Akkari, Anas Baiou, Bassem Alhariri, Reem Elajez, Ahmed A M Husain, Mohamed N Badawi, Fatma Ben Abid, Sulieman H Abu Jarir, Shiema Abdalla, Anvar Kaleeckal, Kris Choda, Venkateswara R Chinta, Mohamed A Sherbash, Khalil Al-Ismail, Mohammed Abukhattab, Ait HssainAliADivision of Critical Care, Department of Medicine, Hamad Medical Corporation, Doha, Qatar, PO Box 3050., Peter V Coyle, Roberto Bertollini, Michael P Frenneaux, Abdullatif Alkhal, and Hanan M Al-Kuwari.
• Communicable Diseases Center, Hamad Medical Corporation, Doha, Qatar, PO Box 3050. aomrani@hamad.qa.
• Bmc Infect Dis. 2020 Oct 19; 20 (1): 777.

BackgroundThere are limited data on Coronavirus Disease 2019 (COVID-19) outcomes at a national level, and none after 60 days of follow up. The aim of this study was to describe national, 60-day all-cause mortality associated with COVID-19, and to identify risk factors associated with admission to an intensive care unit (ICU).MethodsThis was a retrospective cohort study including the first consecutive 5000 patients with COVID-19 in Qatar who completed 60 days of follow up by June 17, 2020. The primary outcome was all-cause mortality at 60 days after COVID-19 diagnosis. In addition, we explored risk factors for admission to ICU.ResultsIncluded patients were diagnosed with COVID-19 between February 28 and April 17, 2020. The majority (4436, 88.7%) were males and the median age was 35 years [interquartile range (IQR) 28-43]. By 60 days after COVID-19 diagnosis, 14 patients (0.28%) had died, 10 (0.2%) were still in hospital, and two (0.04%) were still in ICU. Fatal COVID-19 cases had a median age of 59.5 years (IQR 55.8-68), and were mostly males (13, 92.9%). All included pregnant women (26, 0.5%), children (131, 2.6%), and healthcare workers (135, 2.7%) were alive and not hospitalized at the end of follow up. A total of 1424 patients (28.5%) required hospitalization, out of which 108 (7.6%) were admitted to ICU. Most frequent co-morbidities in hospitalized adults were diabetes (23.2%), and hypertension (20.7%). Multivariable logistic regression showed that older age [adjusted odds ratio (aOR) 1.041, 95% confidence interval (CI) 1.022-1.061 per year increase; P < 0.001], male sex (aOR 4.375, 95% CI 1.964-9.744; P < 0.001), diabetes (aOR 1.698, 95% CI 1.050-2.746; P 0.031), chronic kidney disease (aOR 3.590, 95% CI 1.596-8.079, P 0.002), and higher BMI (aOR 1.067, 95% CI 1.027-1.108 per unit increase; P 0.001), were all independently associated with increased risk of ICU admission.ConclusionsIn a relatively younger national cohort with a low co-morbidity burden, COVID-19 was associated with low all-cause mortality. Independent risk factors for ICU admission included older age, male sex, higher BMI, and co-existing diabetes or chronic kidney disease.

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