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Published on: February 23, 2014
Pneumonia mortality in Brazilian children aged 4 years and younger
Felipe E Rodrigues1, Rafael B Tatto, Larissa Vauchinski
1Universidade Federal do Rio Grande, Rio Grande, RS, Brazil.
Insights
Pneumonia mortality in Brazilian children under 5 significantly decreased between 1991 and 2007. Regional disparities in this decline were observed, with some areas experiencing greater reductions than others.
Area of Science:
- Pediatrics
- Public Health
- Epidemiology
Background:
- Pneumonia remains a leading cause of child mortality globally.
- Understanding mortality trends is crucial for public health interventions.
Purpose of the Study:
- To analyze the trend of pneumonia mortality in Brazilian children aged 4 years and younger from 1991 to 2007.
- To identify regional variations in pneumonia mortality rates.
Main Methods:
- Retrospective study using Brazilian Unified Health System (DATASUS) data.
- Calculation of mortality rates for children under 1 year and 1-4 years.
- Linear regression analysis to assess time trends.
Main Results:
- A significant decrease in pneumonia mortality rates was observed nationwide for both age groups.
- Annual reduction rates varied by region, with South and Southeast showing the largest decreases.
- North and Northeast regions exhibited the smallest reductions in mortality.
Conclusions:
- Pneumonia mortality in young Brazilian children significantly declined between 1991 and 2007.
- Persistent regional discrepancies in mortality reduction highlight the need for targeted strategies.
Objective:
To evaluate the trend of pneumonia mortality in Brazilian children aged 4 years and younger from 1991 to 2007.
Methods:
We conducted a retrospective study based on the database of the IT Department of the Brazilian Unified Health System (DATASUS), from which we obtained the number of deaths from pneumonia and the population aged 4 years and younger living in the five Brazilian regions and in the whole country. Mortality rate was calculated according to the number of deaths from pneumonia divided by the population, multiplied by 1,000 for the age group under 1 year old and by 10,000 in the age group from 1 to 4 years. The linear regression test was used to evaluate the time trend of mortality.
Results:
There was a significant decrease in pneumonia mortality rates during the study period in both age groups and all regions of the country. In Brazil, the mean annual reduction in mortality rates in the population under 1 year old and between 1 and 4 years was 0.12 and 0.07, respectively. The South and Southeast regions showed the greatest reductions (-0.14 and -0.18 for < 1 year and -0.07 and -0.09 for 1 to 4 years). The smallest decreases were in the North and Northeast regions (-0.04 and -0.07) in children younger than 1 year, and in the North and Central West (-0.03 and -0.04) in the age group between 1 and 4 years.
Conclusions:
There was a significant reduction in pneumonia mortality in children aged 4 years and younger across the country from 1991 to 2007; however, a discrepancy between the different regions remains evident.
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