Brandt Justin S, Skupski Daniel W
Department of Obstetrics, Gynecology, and Reproductive Sciences, Division of Maternal-Fetal Medicine, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA.
Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Weill Cornell Medicine and New York Presbyterian Queens, New York, NY, USA.
J Perinat Med. 2022 Oct 31;51(1):3-10. doi: 10.1515/jpm-2022-0461. Print 2023 Jan 27.
OBJECTIVES: To apply scientometric methodology to characterize influential articles in the (JPM). METHODS: We performed a cross-sectional study of all JPM articles indexed in Clarivate Web of Science (WOS), NIH Open Citation Collection, and Altmetric Explorer databases (1973-2022). We identified articles cited ≥100 times in WOS and articles with highest Relative Citation Ratios (RCR, a metric of influence based on citations) and highest Altmetric Attention Scores (AAS, a metric of engagement with social media and public platforms). We performed descriptive analysis to characterize influential articles based on citation rates vs. highest AAS, and quantile regression with bootstrapping to estimate the median differences (95% confidence intervals). RESULTS: We identified 4095 JPM articles that were indexed in the WOS, of which 3,959 (96.7%) had RCRs and 939 (22.9%) had AASs. The study cohort included 34 articles cited ≥100 times and the 34 top-RCR and 34 top-AAS articles, representing 83 unique articles. These influential articles had median 67 citations (IQR 17-114), median RCR 3.4 (IQR 1.7-5.0), and median AAS 14 (IQR 3-28). The majority were observational studies and reviews. Compared to top-AAS articles, top-cited articles had higher median citations (117 [IQR 111-147] vs. 13 [IQR 5-62]; median difference 104.0, 95% CI 86.6-121.4) and citations per year (7.3 [IQR 4.9-10.6] vs. 2.3 [0.7-4.6]; median difference 5.5 [95% CI 3.1-7.9]). Results were similar for top-RCR vs. top-AAS articles. CONCLUSIONS: We identified influential articles during 50 years of JPM, providing insight into the impact of the journal and providing a template for future studies of academic journals.
目的：应用科学计量学方法对《儿科医学杂志》（JPM）中有影响力的文章进行特征分析。 方法：我们对科睿唯安科学网（WOS）、美国国立医学图书馆开放引文数据库和Altmetric Explorer数据库中索引的所有JPM文章进行了横断面研究（1973 - 2022年）。我们识别出在WOS中被引用≥100次的文章，以及相对引用率（RCR，一种基于引用的影响力指标）最高和Altmetric关注度得分（AAS，一种衡量社交媒体和公共平台参与度的指标）最高的文章。我们进行了描述性分析，以根据引用率与最高AAS来描述有影响力的文章，并进行了带有自抽样的分位数回归，以估计中位数差异（95%置信区间）。 结果：我们识别出在WOS中被索引的4095篇JPM文章，其中3959篇（96.7%）有相对引用率，939篇（22.9%）有Altmetric关注度得分。研究队列包括34篇被引用≥100次的文章以及34篇相对引用率最高和34篇Altmetric关注度得分最高的文章，共83篇不同的文章。这些有影响力的文章中位数引用次数为67次（四分位距17 - 114次），中位数相对引用率为3.4（四分位距1.7 - 5.0），中位数Altmetric关注度得分为14（四分位距3 - 28）。大多数是观察性研究和综述。与Altmetric关注度得分最高的文章相比，被引用次数最多的文章中位数引用次数更高（117次[四分位距111 - 147次]对13次[四分位距5 - 62次]；中位数差异104.0，95%置信区间86.6 - 121.4），且每年的引用次数更高（7.3次[四分位距4.9 - 10.6次]对2.3次[0.7 - 4.6次]；中位数差异5.5[95%置信区间3.1 - 7.9]）。相对引用率最高的文章与Altmetric关注度得分最高的文章的结果相似。 结论：我们识别出了JPM 50年间有影响力的文章，为了解该期刊的影响力提供了见解，并为未来学术期刊研究提供了一个模板。
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