TABLE 2.

Paired comparisons among bead-based immunoassays by serotype using ANOVA

Assays compared	Serotype	LS estimatea	LCI	UCI
CDC vs WHO	6B	−0.48	0.42b	0.91
	18C	0.35	0.97	2.09
HPA vs WHO	4	−0.33	0.49	1.06
	9V	−0.47	0.43	0.92
LUM vs WHO	4	0.33	0.94	2.03
	19F	0.40	1.01	2.21
	23F	0.32	0.94	2.03
CDC vs HPA	1	0.62	1.31	2.62
	3	0.74	1.48	2.97
	6B	−0.50	0.43	0.86
	7F	0.80	1.57	3.15
	9V	0.36	1.02	2.03
CDC vs LUM	4	−0.46	0.45	0.89
	6B	−0.66	0.36	0.73
	14	−0.34	0.49	1.04
	19A	−0.78	0.32	0.67
	19F	−0.65	0.36	0.75
HPA vs LUM	1	−0.75	0.33	0.67
	3	−0.81	0.31	0.63
	4	−0.66	0.37	0.73
	7F	−1.00	0.26	0.52
	9V	−0.52	0.42	0.84
	19A	−0.59	0.38	0.80
	19F	−0.51	0.42	0.86

^aThe LS estimate is the difference between the least squares means of the assays compared. A negative LS estimate represents a reduction in the calculated IgG concentration of the first assay compared to the second assay.

^bLower and upper confidence intervals outside of the a priori boundaries (0.5 and 2.0) are shown in bold.