Table 3. . Impact of hematocrit level for chloroquine and desethylchloroquine in human EDTA dried blood spot (n = 4).

Analyte	Concentration (ng/ml)	Hematocrit (%)	Average concentration (ng/ml)	Accuracy (%)	Precision (% CV)
Chloroquine	6.03	20	5.97	98.9	14.8
		40	5.73	95.0	6.57
		60	6.28	104	2.83
	1334	20	1165	87.3	2.67
		40	1318	98.8	2.73
		60	1345	101	3.46
Desethylchloroquine	8.89	20	8.74	98.3	10.3
		40	8.37	94.1	9.43
		60	8.46	95.2	5.31
	1334	20	1120	84.0	2.63
		40	1235	92.6	4.88
		60	1275	95.6	1.87