Variable OR (95% CI) P value A. g.-234A/C genotype of DPP4 Gender (0=male, 1=female) 0.87 (0.264-2.871) 0.821 Age 0.97 (0.925-1.018) 0.215 Body mass index 1.05 (0.894-1.233) 0.551 Duration of diabetes 1.06 (0.930-1.206) 0.389 HbA1c 0.05 (0.008-0.273) <0.001 g.-234A/C allele (0=A, 1=C) 0.52 (0.145-1.900) 0.326 B. G645G genotype of DPP4 Gender (0=male, 1=female) 0.78 (0.223-2.717) 0.694 Age 0.97 (0.927-1.021) 0.267 Body mass index 1.05 (0.887-1.240) 0.575 Duration of diabetes 1.06 (0.928-1.216) 0.382 HbA1c 0.04 (0.007-0.243) <0.001 G645G allele (0=C, 1=T) 0.19 (0.017-2.110) 0.175 OR: Odds Ratio; CI: Confidence Interval

Table 3: Multivariate logistic regression analyses for influence of clinical and biochemical factors on response to vildagliptin treatment.