Table 2. Mean±SD of antibody levels and response using bioplex and vibriocidal assays.

Assay	Variable	n	Mean	SD
Bioplexa	Day 0 (EU/ml)	948	22.54	37.95
	Day 28 (EU/ml)	948	76.89	114.88
	Fold change	948	5.42	12.41
	ln(Fold change)	948	1.14	0.84
Vibriocidal titer	Day 0	935	58.32	111.97
	Day 28	936	127.66	179.78
	Fold change	935	14.74	54.55

^aTotal anti-LPS antibody level.