Table 1.

The thickness of peritoneum in four groups.

Group	Max (μm)	Min (μm)	Mean ± SD
NC	4.90	4.22	4.6 ± 0.34
PF	28.66	23.48	26.2 ± 2.03 #
LP	33.73	20.96	27.7 ± 4.38 #
LC	13.99	7.51	10.0 ± 2.36

^#p < 0.05, vs. NC and LC group.