Disparity in biomedical publication trends in the CARICOM countries: Is there a need for a more vibrant research culture in the region?

BACKGROUND: Biomedical research and publications provide evidence-based information about the extent and burden of health-related problems of a country and help to formulate strategic and operational plans to tackle the problems. PURPOSE: To determine the biomedical publication rates of CARICOM full member countries. METHODS: Biomedical publications of full member CARICOM countries were retrieved using PubMed (1990–2015) and SCImago Journal & Country Rank (1996–2015) databases. CARICOM countries having >50 publications in the PubMed (1990–2015) database were subject to further analysis, whereby publications of each country were adjusted by total population (million population), gross domestic product (billion-dollar), and Internet usage rate (hundred thousand population). RESULTS: Total publications by all countries were 7281 and 8378 in PubMed and SCImago Journal & Country Rank, respectively. Jamaica produced highest number of publications (PubMed: 3928 (53.9%); SCImago Journal & Country Rank: 2850 (34.0%)). In both databases, Grenada had the highest research publications when adjusted with per million population (4721 and 10,633), per billion gross domestic product (803 and 1651), and per hundred thousand Internet users (1487 and 3387). Trend analysis revealed Jamaica produced the highest number of additional PubMed listed publications each year, averaging 4.8/year, followed by Trinidad and Tobago (4.4). According to SCImago Journal & Country Rank, Jamaica also had the highest number of citations (42,311) and h-index (76), followed by Trinidad and Tobago (29,152 and 71). Barbados had the highest number of citations per document (24.9), followed by Haiti (18.4). The publication rates determined by PubMed and SCImago Journal & Country Rank databases were significantly correlated (p < 0.001). Most publications (68% SCImago Journal & Country Rank and 85% PubMed) can be attributed to authors affiliated with Barbados, Jamaica, and Trinidad. CONCLUSION: Publication and citation rates varied markedly between CARICOM countries and were in general low. Most publications could be attributed to researchers affiliated with The University of the West Indies. More universities valuing biomedical research are needed in the region, and more resources needed to improve publication rates.