• Huai-Yu Yang, Dan Wang, Yu Liu, Chao Han, Lei Xin, Zhao-Shen Li, Zhuan Liao, and Liang-Hao Hu.
• From the Department of Gastroenterology, Changhai Hospital.
• Pancreas. 2020 Nov 1; 49 (10): 1283-1289.

ObjectiveThe aim of the study was to investigate the global research levels in chronic pancreatitis (CP) fields.MethodsThe term "chronic pancreatitis" was used to retrieve articles published between 2009 and 2018 from the Web of Science database. The 15 highest-output countries' gross domestic product was retrieved to analyze the correlation between output and economic development. The 5 top-ranking countries were compared in quantity and quality. The frequently used terms of all articles were retrieved to conduct co-occurrence analysis to reveal research highlights for CP.ResultsThere were 6094 articles included and 6007 articles were from 15 highest-output countries. There was a positive correlation between output and gross domestic product (r = 0.928, P < 0.001). The United States, China, and Japan had increasing trends in total output (P = 0.022, P < 0.001, and P = 0.021, respectively). China and Japan had increasing trends in output per capita (P < 0.001 and P = 0.023). However, in average impact factor, all 5 countries did not show increasing trends (all P > 0.05). For research highlights, mass lesion and autoimmune pancreatitis were the notable aspects.ConclusionsThe global output for CP will continue increasing and research quality will be stable.

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