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UNASSIGNED: This study aims to identify determinants of high impact, measured by Impact Factor (IF) and Eigenfactor score, among otolaryngology journals.
UNASSIGNED: Bibliometric data of \"otorhinolaryngology\" journals were collected from the Journal Citation Reports (JCR) database. For the years 2009-2020, we collected normalized Eigenfactor score, 5-year IF, immediacy index, fraction of IF from journal-self citation, proportion and magnitude of published citable articles, and total citation counts. High-IF and -Eigenfactor journals were considered those within the top-quartile of that metric each respective year.
UNASSIGNED: High-IF and -Eigenfactor otolaryngology journals displayed higher 5-year IFs, immediacy indexes, and IF without self-citation (p < .05 for all years) including total citations counts and citable articles when ranked by Eigenfactor (p < .05 for all years). Otolaryngology IF correlated with 5-year IF and immediacy index within the same year (p < .05 for all years) and from previous years (p < .05 for all years; p < .05 for 2017-2018; p > .05 for 2009-2016). Eigenfactor correlated with 5-year IF, total citation counts, and citable articles within the same year (p < .05 for all years) and previous years (p < .05 for 2013-2018). Multilinear regression revealed that 5-year IF (p < .05 for 2009-2018) and immediacy index from the prior 2 years (p < .05 for 2017-2018; p > .05 for 2009-2016) predicted 2019 IF. Similarly, 5-year IF, total citation counts, and citable articles (p < .05 for 2013-2018) predicted 2019 Eigenfactor score.
UNASSIGNED: Sustained publication of impactful articles is the dominant driver of high IF and Eigenfactor score. Eigenfactor score reflects a unique evaluation of otolaryngology journals; ranking otolaryngology journals by their Eigenfactor scores significantly alters journal ranking compared to ranking by IF.
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BACKGROUND: The arrival of the pandemic caused by coronavirus disease (COVID-19) exponentially increased scientific production.
OBJECTIVE: To analyze the influence of COVID-19-related scientific production on the impact factor values of Latin American medical journals.
METHODS: Journals related to the Medicine categories included in Journal Citation Reports (JCR) were used. Impact factor data from the 2020 and 2021 editions were used to compare the citations received by documents related to COVID-19.
RESULTS: A decrease in the impact factor values of the evaluated journals was observed when the citations received by works related to COVID-19 were eliminated.
CONCLUSIONS: The volume of information published on COVID-19 and the citations received influenced the impact increase in 2021 JCR.
UNASSIGNED: La llegada de la pandemia de la enfermedad por coronavirus (COVID-19) incrementó exponencialmente la producción científica.
OBJECTIVE: Analizar la influencia de la producción científica acerca de COVID-19 en los valores del factor de impacto de revistas médicas latinoamericanas.
UNASSIGNED: Se emplearon las revistas de categorías relacionadas con la medicina del Journal Citation Reports (JCR). Se utilizaron los datos del factor del impacto de las ediciones de 2020 y 2021 para establecer una comparación respecto a las citas recibidas por los documentos relativos a COVID-19.
RESULTS: Se observó un descenso en los valores del factor de impacto de las revistas evaluadas cuando se eliminan las citas recibidas por los documentos relativos a COVID-19.
CONCLUSIONS: El volumen de la información publicada sobre COVID-19 y las citas recibidas influyeron en el aumento del impacto en el JCR de 2021.

Journals indexed by Clarivate are temporarily suppressed from the Journal Citation Reports (JCR) if their Journal Impact Factor (JIF) scores are distorted through excessive self-citations or citation stacking with other journals. This paper reports the results of a bibliometric investigation that covers the 18 journals that were suppressed three or more times from the JCR. Results indicate that these 18 journals were repeatedly and exclusively suppressed for being excessive self-citers. Together, these 18 journals totaled 65 suppressions. Two of these 18 journals have lost the status of a JIF-carrying journal. One has changed its title to start as a new. Of the 16 journals that are still included in the JCR, 12 (four) have significantly (slightly) reduced their self-citation rates. Two of these journals are, however, experiencing what the author calls a cycle of suppression. Upon further examination, it turned out that one of these 18 journals is currently using JIF boosting stratagems not yet banished by Clarivate.

OBJECTIVE: Analyze the thematic lines of the articles and reviews published between 2015 and 2019 in the journals indexed in the \"Primary Health Care\" category of the Journal Citation Reports.
METHODS: Observational bibliometric study. The bibliographic records of the Web of Science were identified and the frequencies of appearance of the thematic descriptors and their co-occurrence in the documents included in the study were analyzed. In addition to the global analysis, the reviews, the most cited documents, those published in 2015, and those published in 2019 were analyzed separately. Descriptors were classified by thematic clusters using the Current Canadian Index scale and clinical publications were analyzed using the second edition of the International Classification of Primary Care.
RESULTS: A total of 16,444 descriptors were identified in the 7,453 documents analyzed. The most frequent descriptors focus on: diagnosis, prevalence, management, risks, care practice and the figure of the health professional. In the most cited documents, terms with specific themes were used: depression, intervention, satisfaction, quality, therapy, research-based practice. In 2019, there were a greater number of publications focused on epidemiology, clinic, research and provision of services. From a clinical point of view, studies on psychological and mental health problems, nervous system, social problems, palliative care and cancer increased in 2019.
CONCLUSIONS: The analysis carried out identifies the relevant thematic lines in primary care journals, highlighting the diagnosis and prevalence of diseases, the management of pathologies and their associated risks, as well as clinical practice and the figure of the health professional.

BACKGROUND: In the last 120 years, the field of pediatric urology has seen an exponential growth. In this time, there has not been a comprehensive review of top cited articles within the field.
OBJECTIVE: We aim to identify and categorize the top 100 most cited peer-reviewed articles in pediatric urology using citation analysis.
METHODS: We searched for articles in the Web of Science™ Core Collection between 1900 and 2020 using terms specific to pediatric urology. We identified relevant pediatric urology articles and selected the top 100 most cited articles. We analysed trends over time for topics and categories and we evaluated the relatedness of these articles using citation analysis software.
RESULTS: The top 100 most cited articles in pediatric urology were published between 1958 and 2016 in 26 countries, across 181 institutions, and in 46 journals. The median number of citations per article was 268 (IQR 225.75-394.25). Clinical manuscripts were the most common among the top 100 cited articles (n = 64) and the most common topic was genital conditions (e.g., penile, inguinal, or testis but not including hypospadias) (n = 19; 16.5%; total citations = 6591). When using bibliometric software to analyse relatedness among the top 100 articles based on citation of one another, we identified 11 clusters of 3 or more articles which corresponded to topics like those we defined a priori (Summary Figure). We found that a greater proportion of articles describing surgical techniques were published prior to 1987 (n = 6, 38%) as compared to after 1987 (n = 11, 13%), while the proportion of basic science articles has increased.
CONCLUSIONS: This is the first study to analyse the most cited articles in pediatric urology. There was a lower median citation per article and fewer prospective studies in this list compared to other urologic sub-specialties. Similar to other clinical specialties, the focus has moved from describing and comparing operative techniques to exploring mechanisms of disease. This study is limited by using a single parameter (citation rate) and a single citation database.
CONCLUSIONS: The list of top 100 most cited articles in pediatric urology is an important resource for clinicians and trainees to understand the body of knowledge and trajectory of this field. It charts the evolution of the field and highlights areas of potential investigation. This objective approach to literature review can facilitate future research and education efforts.

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UNASSIGNED: Many scholarly journals have established their own data-related policies, which specify their enforcement of data sharing, the types of data to be submitted, and their procedures for making data available. However, except for the journal impact factor and the subject area, the factors associated with the overall strength of the data sharing policies of scholarly journals remain unknown. This study examines how factors, including impact factor, subject area, type of journal publisher, and geographical location of the publisher are related to the strength of the data sharing policy.
UNASSIGNED: From each of the 178 categories of the Web of Science\'s 2017 edition of Journal Citation Reports, the top journals in each quartile (Q1, Q2, Q3, and Q4) were selected in December 2018. Of the resulting 709 journals (5%), 700 in the fields of life, health, and physical sciences were selected for analysis. Four of the authors independently reviewed the results of the journal website searches, categorized the journals\' data sharing policies, and extracted the characteristics of individual journals. Univariable multinomial logistic regression analyses were initially conducted to determine whether there was a relationship between each factor and the strength of the data sharing policy. Based on the univariable analyses, a multivariable model was performed to further investigate the factors related to the presence and/or strength of the policy.
UNASSIGNED: Of the 700 journals, 308 (44.0%) had no data sharing policy, 125 (17.9%) had a weak policy, and 267 (38.1%) had a strong policy (expecting or mandating data sharing). The impact factor quartile was positively associated with the strength of the data sharing policies. Physical science journals were less likely to have a strong policy relative to a weak policy than Life science journals (relative risk ratio [RRR], 0.36; 95% CI [0.17-0.78]). Life science journals had a greater probability of having a weak policy relative to no policy than health science journals (RRR, 2.73; 95% CI [1.05-7.14]). Commercial publishers were more likely to have a weak policy relative to no policy than non-commercial publishers (RRR, 7.87; 95% CI, [3.98-15.57]). Journals by publishers in Europe, including the majority of those located in the United Kingdom and the Netherlands, were more likely to have a strong data sharing policy than a weak policy (RRR, 2.99; 95% CI [1.85-4.81]).
UNASSIGNED: These findings may account for the increase in commercial publishers\' engagement in data sharing and indicate that European national initiatives that encourage and mandate data sharing may influence the presence of a strong policy in the associated journals. Future research needs to explore the factors associated with varied degrees in the strength of a data sharing policy as well as more diverse characteristics of journals related to the policy strength.

BACKGROUND: Scientific publications and academic research are objective indicators that provide dynamic views of the evolution of emergency medicine (EM). This study is aimed to evaluate the academic contribution of Taiwan emergency departments (EDs) by analyzing scientific publications.
METHODS: This is an observational study and all publications between 2012 and 2017 were retrieved from the Scopus database. The EM journals were adopted from the 2016 Journal Citation Reports (JCR) category of EM. Three groups of publications were enrolled: (1) publications with first authors affiliated with Taiwan EDs in EM journals; (2) publications with first authors affiliated with Taiwan EDs in non-EM journals; (3) publications with first authors affiliated with Taiwan other than EDs in EM journals. Data regarding the name and category of the publishing journal, the publication year, the publication type, and the number of citations were collected for further analysis. The publication and category numbers were also merged with previous study to obtain a longer trend analysis from 1992.
RESULTS: A total of 291 publications affiliated with Taiwan EDs were published in EM journals and 697 publications in 275 non-EM journals. A total of 286 publications in EM journals affiliated with Taiwan but other than ED. The trend of publication numbers in all three groups and category numbers since 1992 were increasing (all p < 0.001). Publication numbers in non-EM journals increased the most and obtained the highest cited times. The 275 non-EM journals were classified into 69 categories. The leading five categories were Medicine, General & Internal, Multidisciplinary Sciences, Surgery, Infectious Diseases, Geriatrics & Gerontology.
CONCLUSIONS: The importance of researches originating from Taiwan EDs has been increasingly recognized by both the global EM community and by other medical specialties during the past 25 years. The advancement of academic contribution by Taiwan EDs is evident from the perspectives of quantity and breadth.