TABLE 2. Results regarding the area, perimeter and degree of fibrosis caused by anal fistula in the animals of the control group.

Animal	Control group
	Area of anal fistula*	Perimeter of anal fistula *	Grade of fibrosis**
1	8836	567	1
2	11405	595	2
3	37730	1111	2
4	16931	1195	2
5	29067	1407	1
Mean	20793.80	975.00	1.60
SEM	5483.34	167.99	0.24

The results are presented in their individual values or in mean ± standard error of the mean (SEM); * =in micrometers; ** =fibrosis score