Table 2:

The genotype distribution of the IL-18 SNP (rs1946519) by maternal age

Age(yr)	Groups	Genotypes			Total
		AA	AC	CC
Age < 35	Patients	41	33	22	96
	Control	35	46	7	88
	OR	1.07	0.65	2.88
	CI	0.62 - 1.83	0.38 – 1.12	1.17- 7.07
	P-value	0.7	0.1	0.02*
Age ≥35	Patients	1	3	0	4
	Control	1	11	0	12
	OR	3.0	0.81	2.7
	CI	0.15 – 59.8	0.14 – 4.50	0.04 – 16.9
	P-value	0.4	0.8	0.6
Overall	Patients	42	36	22	100
	Control	36	57	7	100
	OR	1.16	0.63	3.14
	CI	0.69 – 1.97	0.38 – 1.04	1.28 – 7.68
	P-value	0.5	0.07	0.01**