bed density is also markedly low with beds per population in compared to beds per oecdwide again the lowest amongst oecd countries although per capita total spending is now broadly similar for individuals with and without social security at mxn per capita for those without social security in compared to for imss and for issste affiliates differences in entitlement persist involving some common and devastating illnesses heart attacks in those aged over strokes dialysis after renal failure multiple sclerosis and lung cancer are not for example covered by sp some differences in access are also apparent