TABLE 4.

Summary statistics of the observed differences in quantitation results (log Roche AMPLICOR [IU] − log EasyQ) for the three data subsets

Data set	n	Difference		Limits of agreement	% Similarity
		Mean (confidence interval)	SD		Mean	SD	CV
Total	265	0.581 (0.52, 0.64)	0.506	−0.43, 1.59	89.4	9.2	10.3
Trimmed	108	0.411 (0.3, 0.52)	0.565	−0.72, 1.54	95.9	5.86	6.11
Trimmed (without outlier)	107	0.380 (0.29, 0.47)	0.463	−0.55, 1.31	96.2	4.97	5.17