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Post-Discharge Risk of Mortality in Children Under Five Years of Age in Western Kenya: A Retrospective Cohort Study

Kwambai, Titus, Kariuki, Simon, Smit, Menno ORCID: https://orcid.org/0000-0003-3405-6638, Nevitt, Sarah, Onyango, Eric, Oneko, Martina, Khagayi, Sammy, Samuels, Aaron M, Hamel, Mary J, Laserson, Kayla, Desai, Meghna and terKuile, Feiko ORCID: https://orcid.org/0000-0003-3663-5617 (2023) 'Post-Discharge Risk of Mortality in Children Under Five Years of Age in Western Kenya: A Retrospective Cohort Study'. The American Journal of Tropical Medicine and Hygiene, Vol 109, Issue 3, pp. 704-712.

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Abstract

Limited evidence suggests that children in sub-Saharan Africa hospitalized with all-cause severe anemia or severe acute malnutrition (SAM) are at high risk of dying in the first few months post-discharge. We aimed to compare the risks of post-discharge mortality by health condition among hospitalized children in an area with high malaria transmission in western Kenya. We conducted a retrospective cohort study among recently discharged children aged <5 years using mortality data from a Health and Demographic Surveillance System that included household and pediatric in-hospital surveillance. Cox regression was used to compare post-discharge mortality. Between 2008 and 2013, overall, in-hospital mortality was 2∙8% (101/3,639). The mortality by six months post-discharge (primary outcome) was 6.2% (159/2,556) and highest in children with severe acute malnutrition (SAM) (21·6%), followed by severe anemia (15·5%), severe pneumonia (5·6%), ‘other conditions’ (5·6%), and severe malaria (0·7%). Overall, the six-month post-discharge mortality in children hospitalized with SAM (HR=3·95, 2·60-6·00, p<0∙001) or severe anemia (HR=2·55, 1·74-3·71, p<0.001) was significantly higher than in children without these conditions. Severe malaria was associated with lower 6-month post-discharge mortality (HR=0·33, 0·21-0·53, p<0.001). The odds of dying by six months post-discharge tended to be higher than during the in-hospital period for all children, except for those admitted with severe malaria. The first six months post-discharge is a high-risk period for mortality among children admitted with severe anemia and SAM in western Kenya. Strategies to address this risk period are urgently needed.

Item Type: Article
Subjects: WC Communicable Diseases > Tropical and Parasitic Diseases > WC 750 Malaria
WH Hemic and Lymphatic Systems > Hematologic Diseases. Immunologic Factors. Blood Banks > WH 155 Anemia
WS Pediatrics > Child Care. Nutrition. Physical Examination > WS 115 Nutritional requirements. Nutrition disorders
WS Pediatrics > By Age Groups > WS 440 Preschool child
Faculty: Department: Clinical Sciences & International Health > Clinical Sciences Department
Digital Object Identifer (DOI): https://doi.org/10.1101/2023.01.12.23284164
Depositing User: Jane Rawlinson
Date Deposited: 14 Aug 2023 12:31
Last Modified: 14 Sep 2023 12:47
URI: https://archive.lstmed.ac.uk/id/eprint/22479

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