Random peritoneal biopsy

Total peritoneal gutter removal

χ²

^FEp

Negative (n = 111)

Positive (n = 19)

No.

%

No.

%

Negative

108

97.3

16

84.2

6.311

0.04

Positive

3

2.7

3

15.8

κ (Level of agreement)

0.183 (0.012)