Resumo

BERTSCHY, Gilles; VELTEN, Michel  e  WEIBEL, Sébastien. Major depression: does gender influence the risk of recurrence? A systematic review. Eur. J. Psychiat. [online]. 2016, vol.30, n.1, pp.7-27. ISSN 0213-6163.

Background and Objectives: A woman's lifetime risk of major depression is almost twice as high as that of a man. Major depression is associated with a high risk of recurrence, but the question of a differential risk of recurrence between genders is unclear. Based on a systematic review of the literature, this paper attempts to answer the following question: "Following a major depressive episode, do women and men have the same risk of recurrence?". Methods: We prospectively collected all studies from the period 2005-2014 where the variable gender was considered a potential predictor of recurrence. The database has also been expanded with articles cited in the bibliography of the prospectively collected articles and with a PubMed Database search covering the period January 2005-August 2014. Results: Of the prospective studies (n = 98), most found no influence of gender on recurrence risk, but a minority, mostly large sample studies, found that female gender is a statistically significant risk factor for recurrence. Results suggest a probable female-to-male relative risk of recurrence between 1.0 and 1.2. Given the heterogeneity of the studies (length of follow-up, populations, nature of the studies, choice of dependant variables, statistical methods, and available data) no meta-analyses were performed. There are many interfering variables (age of onset, subchronic evolution, treatments, etc.) that can influence the results of prospective studies. Conclusions: Women probably have a slightly higher risk of recurrence after a major depressive episode than men. This increased risk is much smaller than women's much higher lifetime risk of depression.

Palavras-chave : Depression; Recurrence; Relapse; Gender.

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