Table 3

- Factor XI plasma thromboplastin rs4253417 C/T polymorphism in pregnant Saudi women experiencing recurrent spontaneous miscarriage.

Genotype	RSM pregnant		Control		Patients (RSM pregnant) vs. Control
Genotype	n (%)	OR	n (%)	OR	OR	CI	X²	P-value
CC	15 (30%)	0.43	13 (26%)	0.35	1.23	0.51 to 2.93	0.20	0.66
CT	8 (16%)	0.19	15 (30%)	0.43	0.44	0.17 to 1.17	2.74	0.10
TT	27 (54%)	1.17	22 (44%)	0.79	1.48	0.68 to 3.29	0.99	0.32
Total	50		50
Alleles frequencies
C	38 (38%)	0.61	41 (41%)	0.69	0.88	0.50 to 1.56
T	62 (62%)	1.63	59 (59%)	1.44	1.13	0.64 to 2.00	0.19	0.66

CI: Confidence interval, vs: versus, A p-value of ≤0.05 determined statistical significance, OR: Odds ratio, X²: Chi-square