1,721,036 research outputs found
Impact of Nonadherence to Any Antiplatelet Therapy After PCI With Drug-Eluting Stents on Critical Outcomes
No full textBACKGROUND: Lifelong antiplatelet therapy after percutaneous coronary intervention (PCI) with drug-eluting stents (DES) is strongly recommended. However, the extent and temporal variation in the risk of nonadherence to this recommendation remain unclear. OBJECTIVES: The aim of this study was to investigate how nonadherence to any antiplatelet therapy after PCI affects critical cardiac events and whether this effect varies over time. METHODS: This cohort study analyzed Japanese nationwide insurance claims and health checkup records of working-age patients who underwent PCI with DES between April 2016 and March 2022. Nonadherence was defined as prescription coverage of antiplatelet therapy <50% within preceding 90 days. Landmark-time survival analysis with propensity-score matching was conducted every 5 days from 90th to 1,095th days after PCI. The primary outcome was a composite of all-cause death, myocardial infarction, or cardiopulmonary arrest. Results were synthesized to assess temporal variation in the risk magnitude. RESULTS: Among 40,902 patients (mean age, 58.3 ± 8.3 years; 5.5% women [2,240 of 40,902], median [IQR] follow-up: 653 days [Q1-Q3: 235-1,233 days]), nonadherence was observed in 1.18% (421 of 35,582) at 90 days and 4.70% (579 of 12,312) at 1,095 days after PCI. Critical cardiac events were more frequent in nonadherent patients (HR: 2.50 [95% CI: 1.92-3.26]; P < 0.001), with no significant temporal variation across landmark times. CONCLUSIONS: Nonadherence to any antiplatelet therapy after PCI was associated with a more than 2-fold increase in critical cardiac events, irrespective of post-PCI timing throughout 3 years. These findings emphasize the need for sustained efforts by health care providers and patients to maintain drug adherence over a prolonged period
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
シナカルセット時代の処方パターンとミネラル代謝異常:MBD5D研究
Full text link京都大学0048新制・論文博士博士(医学)乙第12790号論医博第2070号新制||医||1000(附属図書館)30809京都大学大学院医学研究科医学専攻(主査)教授 柳田 素子, 教授 森田 智視, 教授 小杉 眞司学位規則第4条第2項該当Doctor of Medical ScienceKyoto UniversityDA
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
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