TABLE 1. Persistence of anal fistula in the animals studied.

Animal	Experimental Group
	Control	Fistulotomy	Polydioxanone	Polypropylene
1	Yes	No	No	No
2	Yes	No	No	No
3	Yes	No	No	No
4	Yes	No	No	No
5	Yes	No	No	No
6	-	-	No	No
7	-	-	No	No
8	-	-	No	No
9	-	-	No	No
10	-	-	No	No
%	100.0	0.0	0.0	0.0
Number	10	0	0	0

The results are presented in their individual values or relative frequency (%) and absolute frequency (number).