Table 4. . Vancomycin concentrations in whole blood, whole blood volumetric absorptive microsampling and plasma (n = 6).

Vanc. conc. (μg/ml)	Whole blood		VAMS		Plasma		Blood to plasma ratio	VAMS to plasma ratio
	Mean concentration ± SD (ng/ml)	% CV	Mean conc. ± SD (ng/ml)	% CV	Mean conc. ± SD (ng/ml)	% CV
2.50	2.30 ± 0.327	13.8	2.56 ± 0.278	10.8	3.34 ± 0.274	8.20	0.689	0.767
40.0	38.4 ± 1.71	4.46	35.2 ± 1.37	3.89	54.6 ± 2.69	4.93	0.703	0.644
80.0	82.4 ± 8.03	9.75	86.7 ± 9.15	10.6	117 ± 8.17	7.01	0.707	0.744

VAMS: Volumetric absorptive microsampling.