Table 4. Results of adhesions, integration and histological findings on 7^th and 14^th postoperative days.

	Variables evaluated		POD 7				p				POD 14		p
			PP/PVDF n (%)		PE/COLLAGEN n (%)				PP/PVDF n (%)		PE/COLLAGEN n (%)
Inflammation
	Negative -		0 (0)		0 (0)		1.000F		0 (0)		0 (0)		0.424F
	Positive +		4 (40)		4 (40)				4 (50)		8 (100)
	Positive ++		6 (60)		6 (60)				4 (50)		0 (0)
Fibrosis
	Negative -		2 (20)		0 (0)		1.000QM		0 (0)		4 (50)		0.208QM
	Positive +		2 (20)		4 (40)				4 (50)		4 (50)
	Positive ++		6 (60)		6 (60)				4 (50)		0 (0)
Tissue integration
	A		10 (100)		8 (80)		1.000F		6 (75)		4 (50)		1.000QM
	B		0 (0)		0 (0)				2 (25)		2 (25)
	C		0 (0)		2 (20)				0 (0)		2 (25)
Area of adhesion
	1-25%		2 (20)		2 (20)		1.000QM		0 (0)		6(75)		0.056QM
	25-50%		4 (40)		6 (60)				6 (75)		0 (0)
	50-75%		2 (20)		0 (0)				2 (25)		2 (25)
	>75%		2 (20)		2 (20)				0 (0)		0 (0)
Adhesion Scoring
	Flimsy		4 (40)		2 (20)		1.000QM		6 (75)		8 (100)		1.000F
	Intermediate		6 (60)		6 (60)				0 (0)		0 (0)
	Firm		0 (0)		2 (20)				2 (25)		0 (0)

PE = polyester; POD = postoperative day; PP = polypropylene; PVDF = polyvinylidene fluoride. N = absolute frequency; % = relative percentage frequency. ^QM = Pearson Chi-square test estimated via Monte-Carlo procedure. ^F = Fisher’s exact test.

^QM= Pearson Chi-square test estimated via Monte-Carlo procedure.

^F= Fisher’s exact test.