Authors

Period of Study

Size of Sample

Postoperative Peritonitis %

p Value

Roehrborn A. Allemagne, [2]

2001

5812

2.0

p < 0.001

Drăghici L. Roumanie, [7]

2012

18,676

0.9

p = 0.1

Hssaida R Maroc, [11]

2000

16

2.1

p < 0.001

Coulibaly B Mali, [10]

2013

724

3.4

p < 0.001

Our Study Mali

2013

23,573

0.6