Influence of automated indexing in Medical Subject Headings (MeSH) selection for pharmacy practice journals

IF 3.7 3区医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Research in Social & Administrative Pharmacy Pub Date : 2024-06-12 DOI:10.1016/j.sapharm.2024.06.003

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Abstract

Background

The Medical Subject Headings (MeSH) thesaurus is the controlled vocabulary used to index articles in MEDLINE. MeSH were mainly manually selected until June 2022 when an automated algorithm, the Medical Text Indexer (MTI) automated was fully implemented. A selection of automated indexed articles is then reviewed (curated) by human indexers to ensure the quality of the process.

Objective

To describe the association of MEDLINE indexing methods (i.e., manual, automated, and automated + curated) on the MeSH assignment in pharmacy practice journals compared with medical journals.

Methods

Original research articles published between 2016 and 2023 in two groups of journals (i.e., the Big-five general medicine and three pharmacy practice journals) were selected from PubMed using journal-specific search strategies. Metadata of the articles, including MeSH terms and indexing method, was extracted. A list of pharmacy-specific MeSH terms had been compiled from previously published studies, and their presence in pharmacy practice journal records was investigated. Using bivariate and multivariate analyses, as well as effect size measures, the number of MeSH per article was compared between journal groups, geographic origin of the journal, and indexing method.

Results

A total of 8479 original research articles was retrieved: 6254 from the medical journals and 2225 from pharmacy practice journals. The number of articles indexed by the various methods was disproportionate; 77.8 % of medical and 50.5 % of pharmacy manually indexed. Among those indexed using the automated system, 51.1 % medical and 10.9 % pharmacy practice articles were then curated to ensure the indexing quality. Number of MeSH per article varied among the three indexing methods for medical and pharmacy journals, with 15.5 vs. 13.0 in manually indexed, 9.4 vs. 7.4 in automated indexed, and 12.1 vs. 7.8 in automated and then curated, respectively. Multivariate analysis showed significant effect of indexing method and journal group in the number of MeSH attributed, but not the geographical origin of the journal.

Conclusions

Articles indexed using automated MTI have less MeSH than manually indexed articles. Articles published in pharmacy practice journals were indexed with fewer number of MeSH compared with general medical journal articles regardless of the indexing method used.

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自动索引对药学实践期刊医学主题词表（MeSH）选择的影响

背景医学主题词表（MeSH）是用于为 MEDLINE 中的文章编制索引的受控词汇。MeSH主要由人工选择，直到2022年6月才全面采用自动化算法--医学文本索引器（MTI）。方法采用特定期刊检索策略从PubMed中筛选出2016年至2023年间两组期刊（即五大全科医学期刊和三组药学实践期刊）中发表的原创研究文章。提取了文章的元数据，包括 MeSH 术语和索引方法。从以前发表的研究中整理出了一份药学特定 MeSH 术语表，并对其在药学实践期刊记录中的存在情况进行了调查。通过双变量和多变量分析以及效应大小测量，比较了不同期刊组、期刊的地理来源和索引方法之间每篇文章的 MeSH 数量：共检索到 8479 篇原创研究文章：6254 篇来自医学期刊，2225 篇来自药学实践期刊。用不同方法索引的文章数量不成比例；77.8%的医学论文和 50.5%的药学论文被人工索引。在使用自动系统编制索引的文章中，51.1% 的医学论文和 10.9%的药学实践文章随后进行了策划，以确保索引质量。在三种索引方法中，医学和药学类期刊每篇文章的MeSH数量各不相同，人工索引为15.5 vs. 13.0，自动索引为9.4 vs. 7.4，自动索引后再策划为12.1 vs. 7.8。多变量分析表明，索引方法和期刊类别对MeSH归属数量有显著影响，但期刊的地理来源没有影响。无论使用哪种索引方法，在药学实践期刊上发表的文章与普通医学期刊的文章相比，被索引的 MeSH 数量较少。

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来源期刊

Research in Social & Administrative Pharmacy PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-

CiteScore

7.20

自引率

10.30%

发文量

225

审稿时长

47 days

期刊介绍： Research in Social and Administrative Pharmacy (RSAP) is a quarterly publication featuring original scientific reports and comprehensive review articles in the social and administrative pharmaceutical sciences. Topics of interest include outcomes evaluation of products, programs, or services; pharmacoepidemiology; medication adherence; direct-to-consumer advertising of prescription medications; disease state management; health systems reform; drug marketing; medication distribution systems such as e-prescribing; web-based pharmaceutical/medical services; drug commerce and re-importation; and health professions workforce issues.