Dg. Paraclinical/Bacteriology/ASA		Effective	Percentage
Ultrasound	Not done	16	40
Ultrasound	Done	24	60
Abdomen without ASP preparation	Hydro-aerial levels	3	7.50
Abdomen without ASP preparation	Diffuse grayness	1	2.50
Bacteriology	Presence of germs	35	87.50
Bacteriology	No germs	5	12.50
ASA I		38	95
ASA II		2	5
Total		40	100