Table 1. Distribution of gene polymorphisms and association results for type 2 diabetes.

	Type 2 diabetes patients group			Healthy control group		ΔP	OR (95% CI) (Univariate analysis)	#P	OR (95% CI) (Multivariate analysis)	†P
Genotype frequency		n	%	n	%
PPAR-γ2 rs1801282
	CC	180	91.37	180	84.91		1		1
	CG	17	8.63	32	15.09	0.044b	0.531 (0.285–0.991)	0.047b	0.515 (0.268–0.990)	0.047b
PTPRD rs17584499
	CC	145	73.60	179	84.43		1		1
	CT	49	24.87	31	14.62	0.026b	1.945 (1.194–3.169)	0.008c	1.984 (1.135–3.469)	0.016b
	TT	3	1.52	2	0.94
Allele frequency		n	%	n	%
PPAR-γ2 rs1801282
	C	377	95.69	392	92.45
	G	17	4.31	32	7.55	0.052	0.552 (0.302–1.012)	0.055	0.544 (0.290–1.020)	0.058
PTPRD rs17584499
	C	339	86.04	389	91.75
	T	55	13.96	35	8.25	0.009c	1.793 (1.145–2.806)	0.011b	1.904 (1.137–3.189)	0.014b

^ΔP values: for comparison between type 2 diabetes patients and healthy control by χ² test;

^#P values and their ORs: for comparison between genotypes by logistic regression analysis in dominant model;

^†P values and their ORs: for multivariate analyses after adjusted for age, gender and BMI.

^bP<0.05,

^cP<0.01.