CKB and Stroke: The 7-year follow-up results of the CKB found that compared with the non-diabetic population, the all-cause mortality [relative risk (RR) = 2.00, 95% CI 1.93–2.08] and stroke-related mortality (RR = 1.98, 95% CI 1.81–2.17) were increased in diabetic population [33].