Table 3.

Frequency of inherited thrombophilic abnormalities n (%)

Any thrombophilic factor	Control	Case	Total
No	25 (96.2)	21 (67.7)	46 (80.7)
Yes	1 (3.8)	10 (32.3)	11 (19.3)
Total	26 (100)	31 (100)	57 (100)

P = 0.008 (Fisher’s exact test).