Table 3.

Average histological grades

Group			Infiltration grade	Fibrosis grade	Micro-abscess	Necrosis	Fistula	Serosal reaction grade	Mucosal loss grade
1	D-	Mean	2.3	1.9	0.0	0.2	0.0	1.9	0.2
		N	5	5	5	5	5	5	5
		SD	0.6	0.3	0.0	0.4	0.0	0.2	0.3
	B-	Mean	2.1	1.4	0.0	0.0	0.0	1.5	0.1
		N	5	5	5	5	5	5	5
		SD	0.6	0.4	0.0	0.0	0.0	0.6	0.1
	Pearson Chi-square		0.221	0.092	N/A	0.292	N/A	0.136	0.565
2	D-	Mean	1.3	1.3	0.2	0.1	0.0	1.0	0.1
		N	12	12	12	12	12	12	12
		SD	0.5	0.5	0.4	0.3	0.0	0.6	0.3
	B-	Mean	1.7	1.7	0.3	0.2	0.0	1.6	0.3
		N	6	6	6	6	6	6	6
		SD	0.4	0.4	0.5	0.4	0.0	0.5	0.5
	Pearson Chi-square		0.001	0.014	0.407	0.596	N/A	0.145	0.187
3	D-	Mean	0.0	0.2	0.0	0.0	0.0	0.0	0.0
		N	5	5	5	5	5	5	5
		SD	0.0	0.4	0.0	0.0	0.0	0.0	0.0
	B-	Mean	1.3	1.7	0.0	0.5	0.0	1.2	0.6
		N	7	6	6	6	6	6	6
		SD	1.0	0.6	0.0	0.8	0.0	1.1	1.0
	Pearson Chi-square		0.19	0.081	N/A	0.361	N/A	0.177	0.361

Italicized values represent the p-value