“…33 studies indicate a significant association between SES and survival among prostate cancer patients (fully adjusted model if multivariate analyses were conducted) (Aarts et al, 2013a(Aarts et al, , 2013b; Australian Institute of Health and Walfare (2013); Berglund et al, 2012;Bravo et al, 2014;Burns et al, 2014;Byers et al, 2008;Chang et al, 2012;Du et al, 2006;Freeman et al, 2011;Hall et al, 2005a;Hellenthal et al, 2010;Hussain et al, 2008;Jansen et al, 2014;Jeffreys et al, 2009;Li et al, 2012;Louwman et al, 2010;Luo et al, 2013;Marsa et al, 2008;Niu et al, 2010;Prasad et al, 2014;Rachet et al, 2010;Robbins et al, 2007aRobbins et al, , 2007b; Rowan et al, 2008;Schwartz et al, 2009;Shack et al, 2007;Tewari et al, 2005Tewari et al, , 2006 one study also reports this trend without presenting data about significance (Pokhrel et al, 2010), and another study does not indicate significant results regarding the most current calendar period but former periods (Dutta Roy et al, 2005). 11 studies did not verify a significant association in the fully adjusted model (Haynes et al, 2008;McPhail et al, 2013;Miki et al, 2014;Movsas et al, 2014;Papa et al, 2014;Rapiti et al, 2009;Shafique et al, , 2012b…”