• Chao Han, Huai-Yu Yang, Yan-Wei Lv, Zhi-Qi Dong, Yu Liu, Zhao-Shen Li, Dan Wang, and Liang-Hao Hu.
• Department of Gastroenterology, First Affiliated Hospital of Navy Medical University, Shanghai, China.
• Medicine (Baltimore). 2022 Oct 14; 101 (41): e31051.

AbstractAcute pancreatitis (AP) is a common digestive disease encountered in Emergency Departments that carries a heavy socioeconomic burden. This study was conducted to determine the global status of AP research. Articles related to AP published in 1999 to 2018 were retrieved from the Web of Science (WOS) database and the 20 highest-output countries or regions were determined based on the total number of publications. Correlation analysis of AP research output and the gross domestic product (GDP) of each country or region was conducted. The quantity and quality of research of these 20 highest-output countries were compared to the total output, outputs per capita, and average impact factor (IF). All annual data were analyzed using time-trend analysis. A keyword co-occurrence analysis was conducted to determine the highlights in AP research. In total, 17,698 publications were retrieved, and 16,461 papers (93.0%) of them were from the 20 highest-output countries. A significantly positive correlation was identified between AP research output and the GDP (R = 0.973, P < .001). The 5 highest-output countries were the USA (24.9%), China (12.3%), Germany (7.5%), Japan (6.7%), and the UK (6.1%). Finland ranked 1st in the number of publication per capita, the USA had the highest accumulated IF (25,432.758) and total citations (104,592), Switzerland had the highest average IF (6.723), and Netherland had the highest average citations (51.90). Genetic research and AP-related hyperglycemia were research highlights. Analysis of the global output of research of AP research showed signs of growth. Research output was positively correlated with GDP. For the most productive countries, research quality was stable. Although developing countries lagged behind in output per capita and quality, great progress has been made in the past 2 decades.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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