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Article History

Received: 12 December 2024

Accepted: 1 April 2025

First Online: 14 April 2025

Declarations

:

: The datasets used in this study were obtained from the Mato Grosso State Health Department (SES-MT) through a formal request. Although the RCBP and SIM systems provide publicly accessible data, identifying variables such as the patient’s name, date of birth, and mother’s name were used exclusively to integrate the databases and were permanently removed after the process, ensuring participant privacy and anonymity. The study was approved by the Research Ethics Committee of UFMT (approval number 4.858.521, issued on July 20, 2021) and conducted in accordance with the ethical principles outlined in the Declaration of Helsinki, particularly regarding privacy, confidentiality, and the ethical use of data. Given the secondary nature of the data and the absence of direct contact with participants, the need for informed consent was formally waived by the Committee, in compliance with both national and international regulations.

: Not applicable.

: The authors declare no competing interests.