Table 3.

Inter-assay coefficients of variation (CVs) at low (L1), intermediate (L2), high (L3), and all concentrations of canine serum progesterone for a point-of-care analyzer.

Level	N	Mean	Range	SD	CV (%)
L1	36	1.0 ng/mL	0.3–2.8 ng/mL	0.1 ng/mL	13.2
		3.18 nmol/L	1.0–8.9 nmol/L	0.3 nmol/L
L2	25	6.0 ng/mL	3.1–9.4 ng/mL	0.5 ng/mL	10.0
		19.1 nmol/L	9.9–29.9 nmol/L	1.6 nmol/L
L3	11	14.6 ng/mL	10.0–18.5 ng/mL	1.0 ng/mL	7.1
		46.4 nmol/L	31.8–58.8 nmol/L	3.2 nmol/L
All	72	4.8 ng/mL	0.3–18.5 ng/mL	0.4 ng/mL	11.2
		15.3 nmol/L	1.0–58.8 nmol/L	1.3 nmol/L

N, sample number; SD, standard deviation.