Objective: There has been an increase in number of Neurosurgical publications, including open access (OA), in recent years. We aimed to compare journals' performance and the relationship to submission fees incurred in publication.
Methods: We identified 53 journals issuing neurosurgery-related work. Quantitative analysis from various search engines involved obtaining h-index, Journal Citation Indicator (JCI), and other metrics such as Immediacy Index and 5-year impact factor utilising Journal Citation Reports. OA fees and individual subscription fees were collected. Correlations were produced using Spearman rho (ρ) (P < 0.05).
Results: Median h-index for 53 journals was 54 (range: 0-292), with JCI median reported as 0.785 (range: 0-2.45). Median Immediacy Index was 0.797 (range: 0-4.076), and median for 5-year impact factor was 2.76 (range: 0-12.704). There was a very strong positive correlation between JCI and Immediacy Index, JCI and 5-year impact factor, and 5-year impact factor and Immediacy Index (ρ > 0.7, P < 0.05). It is unclear whether there was any correlation between the indices and the OA costs and subscription costs for personal usage (P > 0.05).
Conclusions: Larger costs incurred for OA fees and subscription costs for personal use do not clearly reflect on the journals' performance, as quantified by using various indices. There appears to be a strong association with performance across the journals' metrics. It would be beneficial to include learning about bibliometric indices' impact for research publications in medical education training to maximize the quality of the scientific work produced and increase the visibility of the information produced. The potential full movement to exclusively OA journals would create a significant barrier for junior researchers, small institutions, and full time-trainee physicians with limited funding available. This study suggests the need for a robust measurement of journals' output and the quality of the work produced.
Keywords: Bibliometrics; Cost; Journal; Neurosurgery; Publication.
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