Table 2.

Influence of ABO blood group on HIV status

	HIV +	HIV –	OR	IC (95%)	P
O	86	29,536	1.04	[0.77–1.41]	0.06
Others (A, B, AB)	83	29,622
A	36	13,206	0.96	[0.66–1.39]	0.06
Others (O, B, AB)	131	45,950
B	34	13,850	0.82	[0.56–1.19]	1.02
Others (O, A, AB)	135	45,308
AB	11	2,564	1.54	[0.83–2.84]	1.92
Others (O, A, B)	158	56,594