Table 1. Relationship between patient demographics and hydoxyurea (HU) users.

Demographics	HU use status at present/in past
	Yes n (%)	No n (%)	p-value
Gender			0.373
Male	64 (46.0)	75 (54.0)
Female	64 (40.3)	95 (59.7)
Age, years			0.014
< 18	33 (50.0)	33 (50.0)
18–30	65 (43.0)	86 (57.0)
31–45	30 (42.3)	41 (57.7)
46–60	0 (0.0)	9 (100)
61–75	0 (0.0)	1 (100)