TABLE 2.

Percent reduction in the presence of middle ear effusions compared to identically challenged controls

Day postchallengea	% Reductionb
	Study A				Study B
	LB1– 86-028NP	LPD-LB1(f)2,1,3– 86-028NP	LB1- 1885MEE	LPD-LB1(f)2,1,3– 1885MEE	LB1– 86-028NP	LPD-LB1(f)2,1,3– 86-028NP	LB1- 1728MEE	LPD-LB1(f)2,1,3– 1728MEE
9							100∗	100∗
10					100∗	60	100∗	87∗
11					100∗	50	100∗	90∗
12					100∗	71	76	87∗
13	100∗	92∗	100∗	100∗	100∗	83∗	76	76
14	100∗	100∗	77	100∗	100∗	100∗	51	76
15	100∗	100∗	77	100∗
16	100∗	100∗	81	100∗
17	100∗	100∗	100∗	93∗
18	100∗	100∗	100∗	84∗
19	100∗	100∗
20	100∗	100∗
21	100∗	100∗

^aDay after bacterial challenge when >50% of the ears in the sham cohort had effusions. 

^b∗, Significance set at P ≤0.01.