Keywords
Myocardial infarction
Hospital costs
Epidemiology
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Abstract
Objective: To evaluate odds ratio, duration, and costs of hospitalizations due to acute myocardial infarction (AMI) and stroke in the Unified Health System (SUS) of Bahia between March 2020 and April 2025. Methods: Ecological study using secondary data from the SUS Hospital Information System for Bahia (2021–2024). Descriptive statistics included frequencies for categorical variables and measures of central tendency and dispersion for continuous variables. Inferential analysis employed Pearson’s chi-square test to assess associations between categorical variables and the Mann-Whitney test for independent samples. Odds ratios with 95% confidence intervals were calculated to estimate hospitalization risk. Statistical significance was set at p < 0.05. Results: A total of 119,521 hospitalizations were identified. Older adults and males showed higher risk for AMI and stroke. Black individuals presented a slightly increased risk, and hospitalizations generated a progressive rise in hospital costs. Conclusion: Findings reveal significant disparities by sex, age, and race/skin color in cardiovascular disease hospitalizations in Bahia. The study highlights the importance of addressing social determinants of health to promote equity in access and clinical outcomes.
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