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    Surveillance des décès aux Cliniques Universitaires de Kinshasa (RDC) : la COVID-19 a-t-elle entraîné une surmortalité ? Monitoring of deaths at the Kinshasa University Hospital: has COVID-19 resulted in increase of mortality?

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    Context and objectives. The extent of COVID-19 impact on overall in-hospital mortality is controversial. The objectives of the study were to compare the number of deaths in the first semesters of 2018, 2019 and 2020; determine the proportion of COVID-19 cases and identify the factors associated with COVID-19 among the deaths recorded at the morgue of the Kinshasa University Hospital (KUH). Methods. We collected death certificates registered at the KUH morgue. The diagnosis of COVID-19 was confirmed using RT-PCR in all suspected subjects (from March 2020), including those who have arrived dead. Pearson’s khi-square, Student’s t-test, and logistic regression were used as statistical tests. Results. The number of deaths recorded in the first semester of 2019 (868 cases) was higher than in 2020 (768 cases) and 2018 (744 cases). In 2020, 45 deaths related to COVID-19 (6.0%) were reported. The risk of COVID-19 depended on the period (month of June 2020, OR: 5.69; p = 0.002), sex (female, 0R: 0.42; p = 0.024) and age (one additional year of age, OR: 1.02; p = 0.009). Conclusion: COVID-19 did not lead to excess intra-hospital mortality in the first semester of 2020. The proportion of the disease among deceased patients was more marked in June 2020 and the risk increased with age, especially in men. Contexte et objectifs. L’ampleur de la COVID-19 sur la mortalitĂ© intra-hospitalière globale suscite des controverses. Les objectifs de l’étude Ă©taient de comparer le nombre de dĂ©cès lors des premiers semestres de 2018, 2019 et 2020 ; dĂ©terminer la proportion des cas de COVID-19 et identifier les facteurs associĂ©s Ă  la COVID-19 parmi les dĂ©cès enregistrĂ©s Ă  la morgue des Cliniques Universitaires de Kinshasa (CUK). MĂ©thodes. Nous avons colligĂ© les certificats des dĂ©cès enregistrĂ©s Ă  la morgue des CUK. La COVID-19 a Ă©tĂ© recherchĂ©e par la RT-PCR chez tous les sujets suspects y compris les arrivĂ©s morts (Ă  partir de mars 2020). Le Khi carrĂ© de Pearson, le test t de Student et la rĂ©gression logistique ont Ă©tĂ© utilisĂ©s comme tests statistiques. RĂ©sultats. Le nombre de dĂ©cès enregistrĂ©s au premier semestre 2019 (868 cas) Ă©tait plus Ă©levĂ© qu’en 2020 (768 cas) et 2018 (744 cas). En 2020, on a rapportĂ© 45 dĂ©cès liĂ©s Ă  la COVID-19 (6,0 %). Le risque d’avoir la COVID-19 dĂ©pendait de la pĂ©riode (mois de juin 2020, OR : 5,69 ; p = 0,002), du sexe (femme, 0R : 0,42 ; p = 0,024) et de l’âge (une annĂ©e d’âge supplĂ©mentaire, OR : 1,02 ; p = 0,009). Conclusion. La COVID-19 n’a pas entraĂ®nĂ© de surmortalitĂ© intra-hospitalière au premier semestre de l’annĂ©e 2020. La proportion de la maladie parmi les patients dĂ©cĂ©dĂ©s Ă©tait plus marquĂ©e au mois de juin 2020 et le risque augmentait avec l’âge, particulièrement chez les hommes
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