Genotypes Control N (%) T2DM   N (%) P value Test of Association Odds ratio (95% CI) P value KK 168 (67.20) 148 (59.20) <0.023 - 1 KQ 67 (26.80) 75 (30.00) 1.27 (0.854 -1.88) 0.236 QQ 15(6.00) 27 (10.80) 2.04 (1.04 – 3.98) <0.033 K allele (%) 403 (80.60) 371 (74.20) <0.015 1.44 (1.06 – 1.94) <0.015 Q allele (%) 97 (19.40) 129 (25.80)

Table 3: Genotypic, allelic frequencies and estimates of relative risk for ENPP1 K121Q polymorphisms in type 2 diabetic and non-diabetic control subjects.