Table 3.

Distribution of clinical events according to beta-globin haplotypes and alpha-thalassemia

	β-globin haplotype				α- thalassemia
Events	Bantu/Bantu		Bantu/Benin		αα/αα		-α/αα and -α/-α
	n = 39		n = 32		n = 72		n = 19
	n (%)		n (%)		n (%)		n (%)
Painful events	16 (41.0)		12 (37.5)		32 (35.9)		8 (42.1)
Splenic sequestration	21 (53.8)		17(53.1)		34 (47.2)		9 (47.3)
Hemolytic crises	25 (64.1)		25 (78.1)		46 (63.4)		10 (52.6)
Hand-foot syndrome	16 (41.0)		12 (37.5)		29 (40.2)		4 (21.1)
Infection	35 (89.7)		27 (84.3)		66 (91.7)		14 (73.6)*
Acute chest syndrome	2(5.1)		6 (18.7)		6 (8.3)		3 (15.8)

* p-value < 0.05