Table 3.

Intralaboratory Reproducibility

	PIP			TACSTD1
	MSSM	MUSC	UPMC	MSSM	MUSC	UPMC
Within-dilution coefficient of variation (%)	5.8	7.3	5.8	4.4	6.8	3.7
Intraclass correlation coefficient	0.967	0.938	0.976	0.981	0.965	0.991
SE of measurement (ΔCt)	0.389	0.488	0.330	0.265	0.373	0.205
95% prediction interval for a new measurement (ΔCt)	± 0.763	± 0.956	± 0.647	± 0.519	± 0.732	± 0.403