Table 3.

Summary table of differences in staining at mucosal sites by differing butyrate level

Tissue type	Keratin expression score (mean)		P value
	Low butyrate (n = 5, mean = 2.4 mM)	High butyrate group (n = 4, mean = 5.5 mM)
MS surface intensity	2.12	1.4	0.12
MS crypt intensity	1.84	1.66	0.6
MS crypt extent	2.24	1.76	0.44
CO surface intensity	2.44	2.15	0.58
CO crypt intensity	1.82	1.67	0.59
CO crypt extent	2.12	2.0	0.85