[Revista Chilena de Pediatría/Andes Pediatrica in the new millennium. Bibliometric analysis].

Andes Pediatrica/Revista Chilena de Pediatría (AP/RChP), maintains a document profile that covers all scientific publication formats, from Original Articles (OAs) to Letters to the Editor. Adequate editorial planning requires a long-term bibliometric analysis. To describe the profile of OAs published in AP/RChP in the last two decades. From a controlled vocabulary list, the thematic and methodological descriptors of the documents from 2000 to 2020 were standardi zed. Nationality, sex, and profession of the authors, document typology, and design of the OAs were analyzed, as well as the descriptors cited in Google Scholar and the most visited descriptors on the journal's website in recent years. 1738 manuscripts were published, 580 (33.4%) were OAs, with an increase from 59 to 129 OAs between the first and last three years. The average number of authors was higher for OAs (4.7) than for non-originals (3.0). In 2020, there were nine multicenter collaborations from different countries. The number of OAs by foreign authors increased from 3.3% to 28.7%, the first authorship by non-medical professionals increased from 15% to 31%, and there was a predominance of female first authors (ratio 1.4/1). Of the OAs, 9.1% were experimental, 3.3% were qualitative and the rest were quantitative observational. The most published descriptors were Nutrition, Infectious Diseases, Neonatology, and Pneumonology, while the most cited descriptors were Nutrition, Neonatology, and Oral Health, with no trend among the most visited. 44% of the most cited articles and 35% of the most visited articles were OAs. A significant increase in published OAs stands out, with a low frequency of experimental designs. Authors of different na tionalities and professions participated. OAs represent one-third of the visits and almost half of the citations, with no correlation between the most published and most cited descriptors.