Table 3.

TAK-981 benchtop stability in human K₂EDTA plasma.

Run Number	LQC 0.300 ng/mL	HQC 75.0 ng/mL	Dil 20 QC 1,000 ng/mL
3	0.319	73.4	1,060
Stored at 4°C	0.315	75.9	1,070
for 24 hours	0.316	75.2	990
	0.346*	78.2	1,060
Mean	0.324	75.7	1,050
S.D.	0.0148	1.99	37.0
%CV	4.6	2.6	3.5
%RE	8.0	0.9	5.0
n	4	4	4

Note: *: Deviation from nominal > 15%; value included in statistics.

%CV: percent coefficient of variation; %RE: percent relative error; Dil 20 QC: 20-fold dilution QC; HQC: high-quality control; LQC: low-quality control; n: number; S.D.: standard deviation.