Table 4. Means and SDs of total anti-LPS antibody levels on days 0 and 28, and antibody response, for the five pentile groups based on antibody response.

Variable	Pentile group	n	Mean	SD
	1	190	41.58	71.51
	2	190	24.10	26.66
Baseline (Day 0)	3	190	17.92	21.03
Antibody level	4	190	17.16	17.56
	5	188	11.82	10.46
	Total	948	22.54	37.95
	1	190	52.61	86.82
	2	190	44.99	52.88
Day 28 antibody level	3	190	46.39	54.48
	4	190	72.73	77.74
	5	188	168.70	190.30
	Total	948	76.89	114.88
	1	190	1.31	0.15
	2	190	1.84	0.17
Antibody response	3	190	2.60	0.28
	4	190	4.20	0.73
	5	188	17.29	24.45
	Total	948	5.42	12.41