Temporal analysis of pediatric age in a regional Mobile Emergency Care Service
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Abstract
Objective: To carry out a temporal analysis of the frequency of age groups in the patient population of a regional prehospital medical emergency service. Methods: Cross-sectional study of data entered in the electronic medical record of a regional body from 2009 to 2018. Data collection was carried out at the control and medical dispatch center of the Mobile Emergency Care Service of the 2nd
Metropolitan Region of Rio de Janeiro, Niteroi, Brazil. This center is responsible for dispatch, medical control and supervision resources in seven municipalities. Age groups of pediatric patients were plotted on a timeline using the autoregressive integrated moving average method. Non-parametric tests were used to verify the
difference in ranked means between the two halves of the five-year period of analysis, and the Bonferroni test, for annual comparisons of ages between cities. Results: A total of 347,247 patient visits analyzed by medical control were retrieved and the patient’s age was categorized. Among patients younger than 20 years, 15,982 were adolescents (monthly average = 133.18; SD = 65.881),
corresponding to 61.44% of the cases. Analysis of ranked means revealed a sharp decline in the second half of the analysis period compared to the first half for the age groups of interest (p<0.015). Conclusion: The 15-19 age group represented the majority of patient care in this emergency system. The temporal analysis
showed a tendency for a slight decrease in this age group in the Metropolitan Region of the state of Rio de Janeiro.
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