Table 3.

The summary median reduction in the frequency of days with any URTI symptoms in the COL group versus the PBO group over various periods of the experiment.

Variable	COL		PBO		p	Median FSD Change COL vs. PBO
	Median	25–75 P	Median	25–75 P
FSD 4 weeks	0.50	0.232–0.812	0.75	0.536–0.893	0.092	−33%
FSD 8 weeks	0.45	0.286–0.714	0.63	0.464–0.839	0.036	−30%
FSD 12 weeks	0.44	0.318–0.658	0.66	0.429–0.821	0.047	−33%
FSD 14 weeks	0.45	0.304–0.663	0.68	0.439–0.827	0.050	−34%
FSD 16 weeks	0.42	0.288–0.643	0.68	0.411–0.759	0.025	−37%
FSD 18 weeks	0.41	0.258–0.603	0.65	0.413–0.722	0.027	−37%
FSD 20 weeks	0.41	0.232–0.598	0.59	0.386–0.693	0.047	−31%
FSD 21 weeks	0.43	0.221–0.588	0.58	0.367–0.673	0.052	−26%