Table 1.

Characteristics of patients (all Nigerian) harboring the Black African variant of SCA

UPN.	Age/Sex	HbS (%)	HbF (%)	Donor HbS (%)	Frequent VOC	Acute chest syndrome	Arterial ischemic stroke	No. Tx
166	14/M	76	22	30	yes	yes	Yes	14
191	6/F	70	27	41	yes	yes	No	0
192	9F	75	28	37	yes	yes	No	0
195	11/F	71	27	0	yes	yes	Yes	3
199	15/F	86	10	36	yes	yes	no	3
201	17/M	89	7	0	yes	no	no	0
202	3/M	85	11	35	yes	no	no	1
204	12/M	92	3	0	yes	no	no	0
205	5/M	79	17	0	yes	no	no	0
206	7/F	83	14	0	yes	no	no	0
207	13/M	88	8	41	yes	yes	no	3
210	3/M	73	24	37	yes	no	yes	0
213	16/M	91	5	0	yes	no	no	0
215	2/M	87	10	40	no	no	no	0
216	14/F	92	4	0	yes	yes	no	2
219	15/M	91	5	28	yes	no	no	15
221	4/F	83	15	31	yes	yes	no	0
222	16/M	91	5	0	yes	no	no	1
224	5/F	61	3	35.8	yes	yes	no	0
229	17/M	82	14	0	yes	yes	no	2
231	5/M	88	7.4	37	no	no	yes	0
234	15/F	94	1.9	42.1	yes	yes	no	2
235	8/F	77	na	0	no	no	yes	2
236	17/M	63	9.8	0	no	no	no	2
237	10/F	85	12.3	41.3	yes	no	no	0
239	13/F	73	3.7	39.4	yes	no	no	1
240	12/F	80	16.9	42.5	yes	no	no	1

HbS, hemoglobin S; HbF, hemoglobin F; VOC, vaso-occlusive crisis; No. Tx, number of red blood cell transfusions received before transplant; na, not available.