Table 3. Frequency of thrombophilia factors in the control and RIF patients.
Thrombophilia factors	Casen=42	Controln=42	p-value	Odds ratio (95%CI)
APC-R	18 (48.9%)	7 (16.7%)	0.008	3.75 (1.38, 10.12)
Protein C deficiency	2 (4.8%)	0	0.15	-
Protein S deficiency	1 (2.4%)	0	0.50	-
Antithrombin III deficiency	8 (19%)	1 (2.4%)	0.01	9.64 (1.46,43.19)
Combined thrombophilia	19 (45.2%)	6 (14.2%)	0.001	4.95 (1.75-13.81)