Neurocognitive Functioning among Children with Sickle Cell Anemia Attending SCA Clinic at MNH, Dar es Salaam, Tanzania

Table 1

Baseline characteristics.

Demography	Sickle cell group (n = 233)		Normal siblings (n = 80)		Total N (%)
	Frequency	%	Frequency	%
Age (yrs)
9 to 10	57	24.5	35	43.8	92 (29)
11 to 13	69	29.6	28	35	97 (31)
14 to 15	107	45.9	17	21.2	124 (40)
Sex
Male	112	48	32	40	144 (46)
Female	121	52	48	60	169 (54)
Children education
Primary	177	76	68	85	245 (78.3)
Secondary	56	24	12	15	68 (21.7)
How many days you missed school?
Never	55	23.6	71	88.8	126 (40.3)
More than once	178	76.4	9	11.2	187 (59.7)