Table 3.

Number of patients presenting with either anti- Factor IIa (thrombin) inhibitor, anti-Factor V (FV) inhibitor, or both

	Bleeding Cases N = 32	Non-Bleeding Cases N = 32	Total N = 64
Inhibitor Type	n (%)	n (%)	n (%)
FIIa	4 (13)	4 (12)	8 (12)
FV	17 (53)	15 (47)	32 (50)
FIIa and FV	11 (34)	13 (41)	24 (38)

Sorted by clinical presentation and contained reports of a surgical setting where known or presumed bovine thrombin exposure occurred [3-35].