Neurosurgical research in Southeast Asia: A bibliometric analysis

被引:7
|
作者
Omar II, Abdelsimar T. [1 ,2 ,3 ,4 ,5 ]
Chan, Kevin Ivan P. [2 ,3 ,4 ,5 ]
Ong, Erika P. [3 ,4 ,5 ]
Dy, Louie F. [3 ,4 ,5 ]
Go, Daniel Alexander D. [3 ,4 ,5 ]
Capistrano, Michael Paolo [3 ,4 ,5 ]
Cua, Sean Kendrich N. [2 ,3 ,4 ,5 ]
Diestro, Jose Danilo B. [5 ,6 ]
Espiritu, Adrian I. [4 ,6 ,7 ,8 ]
Spears, Julian [1 ,2 ,4 ,7 ,8 ]
机构
[1] Univ Toronto, Dept Surg, Div Neurosurg, Toronto, ON, Canada
[2] St Michaels Hosp, Div Neurosurg, Toronto, ON, Canada
[3] Univ Philippines Manila, Coll Med, Dept Neurosci, Div Neurosci, Manila, Philippines
[4] Univ Philippines Manila, Philippine Gen Hosp, Manila, Philippines
[5] Univ Philippines Manila, Coll Med, Manila, Philippines
[6] St Michaels Hosp, Dept Med Imaging, Div Therapeut Neuroradiol, Toronto, ON, Canada
[7] Univ Philippines Manila, Dept Neurosci, Coll Med, Div Adult Neurol, Manila, Philippines
[8] Univ Toronto, St Michaels Hosp, Dept Med, Div Neurol, Toronto, ON, Canada
关键词
Bibliometric analysis; Global neurosurgery; Neurosurgical research; Southeast Asia; RESEARCH PRODUCTIVITY; COUNTRIES; HEALTH;
D O I
10.1016/j.jocn.2022.10.028
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Objectives: Bibliometric analysis can provide insight into the growth, development and dissemination of research in neurosurgery. Little work has been done to examine the role of country-specific characteristics affecting research productivity. We aimed to characterize and compare the research productivity among SEA countries in terms of bibliometric indices and determine associations with country-specific factors.Methods: We performed a systematic search of all articles by authors affiliated with a neurosurgical department in any of the Southeast Asian countries, indexed in 3 databases from inception to June 10, 2020. Bibliometric indices - number of publications, number of citations, average citations per publication, h-index, and the i-10-index - were computed for each country. Correlations between the indices and country-specific characteristics (population size, GDP per capita, percentage of GDP allocation to research and development (R&D), number of neurosurgeons, number of neurosurgeons per capita, and number of collaborations with non-SEA authors) were determined.Results: The number of publications showed an increasing trend up to 2019. Most studies were cohort studies (37%) or case reports or series (37%). Of the country-specific factors analyzed, only percentage of the GDP allocated to R&D was positively correlated with number of publications (p = 0.0004), total citations (p < 0.0001), H-index (p < 0.0001), and i(10)-index (p < 0.0001). Number of collaborations also positively correlated with the same indices. Conclusion: Our bibliometric analysis showed increasing contribution by neurosurgeons in the SEA region. Correlational analysis support the view that increased R&D budget allocation and international collaboration can improve neurosurgical research capacity and productivity.
引用
收藏
页码:159 / 165
页数:7
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