Internações por Dengue no estado do Pará na última década: um estudo ecológico
Dengue is an arboviral disease transmitted by the mosquito Aedes aegypti and
represents a public health problem in tropical and subtropical countries, especially in regions with limited
access to healthcare services. However, the literature lacks studies on dengue-related hospitalizations in
Pará, which could support more effective health policies for controlling and reducing the disease in the state.
Objectives: To evaluate the temporal trend and compare dengue hospitalizations in Pará with other states in
the Northern Region, outlining the epidemiological profile. Methods: This is a descriptive ecological
epidemiological study using data from the Hospital Information System (SIH) from 2014 to 2023, referring to
hospitalizations due to dengue (ICD C32.1). The analyzed variables included year and month of care,
number of hospitalizations, hospitalization rate per 100,000 inhabitants, sex, age, and type of care. Statistical
analysis was performed using Simple Linear Regression, the Kruskal-Wallis test, and Dunn’s post-hoc test,
using Statistics Kingdom software. Results: A total of 13,956 hospitalizations for dengue were recorded in
Pará during the study period. A reduction trend of 2.88 hospitalizations per year was observed (p < 0.005, B1
= -2.88, 95% CI [-4.62, -1.14], R = -0.80). The Kruskal-Wallis test, followed by Dunn’s post-hoc test, showed
that Pará did not present a significantly different hospitalization rate compared to the other states. In the
epidemiological profile, females had a higher number of hospitalizations (n=7,201) compared to males
(n=6,755). The adult hospitalization rate was 4.7 times higher than that of the elderly and 1.6 times higher
than that of children and adolescents. Additionally, 92.9% of hospitalizations occurred on an emergency
basis. Conclusion: Pará has shown a reduction in hospitalizations due to dengue over the years. Women and
adults are the most affected, with the majority of hospitalizations occurring on an emergency basis. The
results suggest that this decrease may be due to more effective preventive strategies, underreporting of
cases, or reduced exposure to risk factors among the population of Pará. Future studies are needed to
confirm these hypotheses and guide more targeted interventions.
Internações por Dengue no estado do Pará na última década: um estudo ecológico
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DOI: https://doi.org/10.22533/at.ed.1302517103
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- Vando Delgado de Souza Santos
- Laura Peruzzo Batata
- Guilherme Sousa da Silva
- Dário da Cruz Machado Júnior
- Marcelo Marcony Leal de Lima Filho
- Sebastiana Brandão da Costa
- Ian Passos Alves
- Talyta Borges Cordeiro
- Victoria Dantas dos Santos Barbedo
- Maria Helena Gaya Pitz
- Thaís de Oliveira Rosendo
- Fábio Ricardo Martins do Nascimento