Table 3. The comparison of genotypic and allelic frequencies of both SNPs between mild/severe PE and control groups.

Group	N	rs713041					rs4807542
		CC	CT	TT	C	T	AA	AG	GG	A	G
Mild PE	158	64	70	24	198	118	3	31	124	37	279
Control	1386	402	661	323	1465	1307	20	286	1080	326	2446
χ2		10.716			10.981		0.275			0.001
p-value		0.005			0.001		0.872			0.978
OR					1.497					0.995
95% CI					1.178–1.903					0.693–1.429
Severe PE	850	269	427	154			16	157	677	189	1511
Control	1386	402	661	323			20	286	1080	326	2446
χ2		8.572			6.509		2.077			0.427
p-value		0.014			0.011		0.354			0.513
OR					1.171					0.939
95% CI					1.037–1.323					0.776–1.135