World scientific production on waterpipe research

The scope of this work is to perform a bibliometric analysis of the scientific production on waterpipe research, as published in Scopus database. The keywords used are: (“water-pipe” OR waterpipe OR “water pipe” OR “shisha” OR “hookah” OR “nargile”) AND (nicotine OR tobacco OR smoking OR cigarette), in English language and until the end of 2022. The first scientific paper published was on 1943. The total number of documents published is 2,744; the 87.7% of them were published during the last ten years (2013-2022), Fig 1. <fig><object-id>erj;64/suppl_68/PA4042/F1</object-id><object-id>F1</object-id><object-id>F1</object-id><label>Fig 1.</label><caption> Number of papers per year </caption><graphic></graphic></fig> The 83.69% of the documents are papers, while the 6,84% reviews. The 6 first subject areas are: Medicine (80% of the works, with slight decrease); Social Sciences (with constant increase); Pharmacology, Toxicology and Pharmaceutics; Biochemistry, Genetics and Molecular Biology; Environmental Science (with constant increase) and Psychology. The six most productive countries are: USA, Iran, Lebanon, UK, Saudi Arabia and Jordan (Fig 2). Consecutively, the Institutions located in Middle East are among the most productive ones. <fig><object-id>erj;64/suppl_68/PA4042/F2</object-id><object-id>F2</object-id><object-id>F2</object-id><label>Fig 2.</label><caption> Contribution of each country </caption><graphic></graphic></fig> The 58% of the works are open access, while the majority of the works are public funded.