Optimism and coping: do they influence health outcomes in women with breast cancer? A systemic review and meta-analysis.

Background: Optimism, coping, and resilience may be independent predictors of anxiety, distress, depression, or health-related quality of life (HRQOL) in women with breast cancer.

Methods: Preferred Reporting Items for Systematic Review and Meta-analysis (PRISMA) searches of PubMed, PsycINFO, and Google Scholar databases from January 1, 1990, to April 30, 2018, for articles (i.e.