“…During 15 years of observations, a mean age at death was 62.6 years for patients without substance use disorders and 49.2 for patients with dual diagnosis (Schmidt et al 2011). In Denmark, Finland and Sweden, a difference in life expectancy (LE) for schizophrenia patients versus a general population in these countries was 20.0, 17.1, 18.9 years for men and 16.5, 15.6, 16.9 years for women, respectively (Laursen et al 2013).…”