The proportion of blood glucose values > 1.8 g/L upon the number of tests performed was higher in Period1 (642 [24.7%]) than in Period2 (493 [22.1%]) (P = 0.032), a finding that was consistent across the patient subsets formed according to the known existence of diabetes and the use of insulin (Additional file 1: Table S6). The gene discussed is INS; the disease is diabetes mellitus.