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1.
Nat Med ; 27(10): 1761-1782, 2021 10.
Artículo en Inglés | MEDLINE | ID: mdl-34642490

RESUMEN

Anemia is a globally widespread condition in women and is associated with reduced economic productivity and increased mortality worldwide. Here we map annual 2000-2018 geospatial estimates of anemia prevalence in women of reproductive age (15-49 years) across 82 low- and middle-income countries (LMICs), stratify anemia by severity and aggregate results to policy-relevant administrative and national levels. Additionally, we provide subnational disparity analyses to provide a comprehensive overview of anemia prevalence inequalities within these countries and predict progress toward the World Health Organization's Global Nutrition Target (WHO GNT) to reduce anemia by half by 2030. Our results demonstrate widespread moderate improvements in overall anemia prevalence but identify only three LMICs with a high probability of achieving the WHO GNT by 2030 at a national scale, and no LMIC is expected to achieve the target in all their subnational administrative units. Our maps show where large within-country disparities occur, as well as areas likely to fall short of the WHO GNT, offering precision public health tools so that adequate resource allocation and subsequent interventions can be targeted to the most vulnerable populations.


Asunto(s)
Anemia/epidemiología , Estado Nutricional , Pobreza/economía , Adolescente , Adulto , Anemia/economía , Anemia/etiología , Anemia/patología , Países en Desarrollo/economía , Femenino , Salud Global/economía , Humanos , Persona de Mediana Edad , Prevalencia , Adulto Joven
2.
Nat Microbiol ; 4(12): 2310-2318, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31570869

RESUMEN

Lower respiratory infections (LRIs) are the leading cause of death in children under the age of 5, despite the existence of vaccines against many of their aetiologies. Furthermore, more than half of these deaths occur in Africa. Geospatial models can provide highly detailed estimates of trends subnationally, at the level where implementation of health policies has the greatest impact. We used Bayesian geostatistical modelling to estimate LRI incidence, prevalence and mortality in children under 5 subnationally in Africa for 2000-2017, using surveys covering 1.46 million children and 9,215,000 cases of LRI. Our model reveals large within-country variation in both health burden and its change over time. While reductions in childhood morbidity and mortality due to LRI were estimated for almost every country, we expose a cluster of residual high risk across seven countries, which averages 5.5 LRI deaths per 1,000 children per year. The preventable nature of the vast majority of LRI deaths mandates focused health system efforts in specific locations with the highest burden.


Asunto(s)
Morbilidad , Infecciones del Sistema Respiratorio/mortalidad , África/epidemiología , Teorema de Bayes , Preescolar , Humanos , Incidencia , Lactante , Recién Nacido , Prevalencia , Salud Pública/normas , Factores de Riesgo
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