A Validated Volumetric Absorptive Microsampling-Liquid Chromatography Tandem Mass Spectrometry Method to Quantify Doxycycline Levels in Urine: An Application to Monitor the Malaria Chemoprophylaxis Compliance

Table 3

Precision and accuracy of the microsampling and direct dilution methods (n = 12).

Theoretical concentration (µg/mL)	Precision (%)		Accuracy (%)
	Microsampling	Direct dilution	Microsampling	Direct dilution
0.25	9.6	13.3	106.2	95.4
0.30	7.9	9.4	102.0	97.3
20.0	4.7	7.5	104.8	104.8
35.0	6.6	8.2	104.4	98.9