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Background  Diabetic patients, during the course of the disease, are most likely to experience depressive symptoms that might ultimately lead to suicidal ideation or suicide. The size of literature in diabetes depression/suicide is a good indicator of national and international efforts to address psychological co-morbidities associated with diabetes mellitus (DM). Therefore, the objective of this study was to give a comprehensive analysis, both quantitative and qualitative, of scientific literature in diabetes depression/suicide.    Methods  SciVerse Scopus was used to retrieve relevant literature up to 2016.    Results  In total, 1664 journal documents were retrieved with an average of 26.9 citations per article and an  h -index of 98. Publications started in 1949 but showed a steep and noticeable increase after 2001. Retrieved articles were published in 641 different journals with  Diabetes Care  journal being the top productive one with a total of 130 (7.8%) articles. Researchers from 83 different countries participated in retrieved publications. Researchers from the United States of America participated in publishing 685 articles. There was a strong and positive correlation between research output and Gross Domestic Product ( r  = 0.083;  p  &lt; 0.001) but not with prevalence or mortality caused by DM. Researchers from 4870 different institutions/organizations participated in publishing retrieved articles. Publications from the  University of Washington, Seattle, USA  had the highest  h -index (38), while “ VA medical centers ” had the highest number of publications (75; 4.5%). In total, 5715 authors appeared in retrieved articles giving an average of 3.4 authors per article. Top cited articles focused on prevalence, impact of depression on glycemic control, and potential risk of diabetic complications. The total number of publications in depression/suicide in diabetic patients was lesser than that in cardiac (1938) or in cancer (1828) patients. However, publications in diabetes depression/suicide exceeded those in cardiac and cancer in the last 2 years of the study period.    Conclusion  The current study showed a noticeable growth of publications indicative of the importance of this topic. Research focusing on the psychiatric component of diabetes mellitus needs to be strengthened and encouraged. At the practical level, screening for depression/suicide among patients attending primary healthcare clinics is needed to optimize health and quality of life of diabetic patients.    Electronic supplementary material  The online version of this article (10.1186/s12991-018-0214-2) contains supplementary material, which is available to authorized users.

Analysis of global research output on diabetes depression and suicide