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Table 2 Comparison of original biomedical research performance in 16 Arab countries and three non-Arab Middle Eastern countries (2001–2005)

From: Arab nations lagging behind other Middle Eastern countries in biomedical research: a comparative study

  Countries P-Value
  Arab Middle Eastern  
Number of articles according to SCI-expanded 14374.0 49110.0 < 0.001
Number of articles according to PubMed 5775.0 25634.0 < 0.001
Number of publications in the high-impact journals 83.0 412.0 < 0.001
Annual publication rate per one million population 10.8 62.1 0.029
Annual publication rate per one billion (US$) GPD 2.7 13.1 0.001
Annual publication rate per GPD/capita 0.7 2.1 < 0.001