The article “Logistic Regression: Limitations in the Estimation of Measures of Association with Binary Health Outcomes” was the most-cited article published in Acta Médica Portuguesa in 2025.
The study’s senior author, Maria do Rosário Martins, is a researcher at GHTM | Instituto de Higiene e Medicina Tropical, Universidade NOVA de Lisboa, and Research Leader of the PPS-GHTM Research Group.
This recognition is particularly significant given the growing national and international standing of Acta Médica Portuguesa, the scientific journal of the Portuguese Medical Association and one of Portugal’s leading medical journals. In 2025, the journal increased its Journal Impact Factor to 1.2, moving into the second quartile (Q2) of its category and ranking 167th among 336 indexed journals. This achievement further strengthens the journal’s international visibility and reflects its commitment to scientific quality and editorial rigour.
The article’s citation impact is a clear recognition of the quality, relevance and usefulness of the work. This distinction also highlights the contribution of GHTM researchers to high-quality methodological research with the potential to support and improve research in health and related fields.
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