Table 2.

Physcian's pattern of hydroxyurea prescription

Variables		Frequency(n)	Percentage (%)
Starting dose (mg/kg/day)
	Less than 10mg/kg	15	62.5
	10 – 20 mg/kg	9	37.5
	>20mg/kg	-	-
Mean(SD)=10.61(3.31), Median=9.01, Min=7.35, Max=17.24
Current dose (mg/kg/day)*
	Less than 10mg/kg	5	25.0
	10 – 20 mg/kg	15	75.0
	>20mg/kg	-	-
Mean(SD)= 13.49(3.73), Median=15.05, Min=7.81, Max=17.86
Indications for commencement of hydroxyurea**
	Frequent/Severe VOC	19	79.2
	Moderate Disease	3	12.5
	High leucocyte/platelet Counts	1	4.2
	Severe symptomatic anaemia	1	4.2
	Severe/Recurrent ACS	1	4.2
Indications for discontinuation of hydroxyurea
	Conception/Fertility	3	12.5
	Unbearable Reactions	1	4.2

N=24(40% of all subjects),

^*20 subjects on current use,

^**multiple responses