Global scientific production in the field of knee arthroplasty: A cross-sectional survey of research activities

Abstract

ObjectiveTo determine the quantity and quality of articles in the field of knee arthroplasty worldwide and elucidate the characteristics of global scientific production.MethodsWeb of Science was used to identify articles in the field of knee arthroplasty from 2011 to 2015. The total number of papers, number of papers per capita, total number of citations, and mean number of citations were collected.ResultsIn total, 11,590 papers were identified. The number of publications significantly increased from 2011 to 2015. Most originated from North America, East Asia, and West Europe. Most (88.51%) were from high-income countries, 11.48% were from middle-income countries, and only 0.01% were from lower-income countries. The United States had the most articles and total citations. Sweden had the highest mean citations, followed by Denmark and Canada. However, when adjusted by population size, Denmark had the most articles per million population, followed by Switzerland and the Netherlands.ConclusionsThe number of knee arthroplasty publications has rapidly increased in recent years. The United States is the most prolific, but some European countries are more productive relative to their population.

Scientific efforts on SARS-CoV-2 research: A global survey analysis

“…In addition, China also has the highest total citations and average citations. These results indicate that China have the greatest influence in the quantity and quality of SARS-CoV-2 research, which do not match those observed in other fields [6][7][8][9][10][11][12]. In general, USA makes the greatest contributions Table 3.…”

“…Increasing efforts from different countries have been made to investigate this novel coronavirus [13][14][15][16][17][18]. Many global survey analyses have been published to present the characteristics of research production in multiple fields [6][7][8][9][10][11][12]. However, there were few studies describing the current patterns of scientific efforts in the field of SARS-CoV-2.…”

“…The database of Web of Science was selected in this study, because Web of Science was considered as the leading reliable database for academic assessment [9][10][11]. It had been widely accepted in similar studies [6][7][8][9][10][11][12]. A comprehensive literature search was performed in the database of Web of Science in April 20, 2020.…”

“…The keywords included "SARS-CoV-2", "2019-nCoV", "COVID-19", "COVID19", "Corona Virus Disease-19", "Corona Virus Disease-2019", "2019 novel coronavirus", "Wuhan coronavirus", and "Wuhan seafood market pneumonia virus". The original articles and reviews were included in this study [6][7][8][9][10][11][12]. The affiliated country of the corresponding author was considered as the origin of the publication [6][7][8][9][10][11][12].…”

“…Publication as a critical method of knowledge sharing is a central part of scientific activity [6,7]. The research patterns, indexed by the quantity and quality of publications, have been widely analyzed to describe the worldwide researchers' efforts in multiple fields [6][7][8][9][10][11][12]. However, to the best of our knowledge, such global survey analysis has been seldom reported in the field of SARS-CoV-2.…”