Anti-A and Anti-B Haemolysins amongst Group “O” Voluntary Blood Donors in Northeastern Nigeria

Table 2

Visual titres of anti-A, anti-B, and anti-A+B among the group “O” donors.

Titre	Anti-A	Anti-B	Anti- A+B	Total (%)
1	33 (3.0)	34 (3.2)	87 (8.1)	154 (14.3)
2	106 (9.9)	127 (11.9)	336 (31.4)	569 (53.2)
4	53 (5.0)	78 (7.3)	179 (16.7)	310 (29.0)
8	4 (0.4)	2 (0.2)	19 (1.8)	25 (2.4)
16	2 (0.2)	1 (0.1)	4 (0.4)	7 (0.7)
32	1 (0.1)	2 (0.2)	1 (0.1)	4 (0.4)
Total	199	244	626	1069 (100.0)