Preventive effect of gelatinizedly-modified chitosan film on peritoneal adhesion of different types

Table 1 Comparison of peritoneal adhesive grades between experimental and control subgroups within each group

Group	Control group (n = 10)					Experimental group (n = 10)					U	P
	0	I	II	III	IV	0	I	II	III	IV
Group A: sham-operation
2 wk	9	1	0	0	0	10	0	0	0	0	45.000	0.317
4 wk	10	0	0	0	0	9	1	0	0	0	45.000	0.317
Group B: wound-induced adhesion
2 wk	0	5	4	1	0	6	3	1	0	0	14.500	0.005
4 wk	0	5	5	0	0	7	3	0	0	0	7.500	0.001
Group C: purified talc-induced adhesion
2 wk	0	0	1	3	6	0	0	1	2	7	45.500	0.687
4 wk	0	0	1	4	5	0	0	0	4	6	43.000	0.547
Group D: vascular ligation-induced adhesion
2 wk	0	4	4	2	0	3	6	1	0	0	18.000	0.009
4 wk	1	4	4	1	0	5	4	1	0	0	21.500	0.023
Group E: infection-induced adhesion
2 wk	0	0	1	4	5	0	4	5	1	0	5.500	0.001
4 wk	0	0	1	5	4	0	6	4	0	0	2.000	< 0.001