Table 1. Co-inheritance of SCA-alpha thalassemia and of clinical events.

		HbSS-(αα/αα)		HbSS-(αα/α3.7)		HbSS-(α3.7/α3.7)
		N	Median (Minimum-Maximum)	N	Median (Minimum-Maximum)	N	Median (Minimum-Maximum)	P-values
BMI (kg/m2)		49	17.5 (12.1–26.6)	27	17.7 (12.5–26.7)	7	18.3 (17.0–23.1)	0.91
Systolic blood pressure (mmHg)		49	108 (86–156)	29	108 (89–135)	6	105.5 (99–116)	0.71
Diastolic blood pressure (mmHg)		49	56 (41–93)	29	60 (47–60)	6	60.5 (45–70)	0.62
No. of vaso-occlusive pain crises/year		77	2 (0–15)	35	2 (0–40)	9	1 (1–4)	0.31
Overt Stroke	YES	6	-	1	-	1	-	0.48
	NO	65	-	33	-	7	-
No. of consultations/year		70	2 (0–12)	31	1 (0–12)	9	1 (0–4)	0.52
No. of hospitalisations/year		70	1 (0–10)	33	1 (0–10)	9	1 (0–9)	0.28