Table 1.

Frequency of acute mesenteric ischemia in patients with acute abdomen n (%)

Patient selection criteria	Population	Study period	Frequency of acute mesenteric ischemia	Ref.
Emergency laparotomy	Atlanta, United States	1996-2001	53 (17.7)	[5]
Suspected peritonitis	Ferrara, Italy	1995-2001	2 (2.1)	[6]
Emergency abdominal surgery and age ≥ 70 yr	Valladolid, Spain	1986-1995	27 (3.8)	[7]
Forensic autopsy, peritonitis	Malmö, Sweden	1970-1982	6 (4.4)	[8-10]
Acute abdomen and age ≥ 50 yr	Karlskrona, Sweden	2000-2003	9 (8.9)	[11]
Long-term open abdomen treatment	Malmö, Uppsala, Falun, Gävle	2006-2009	11 (9.9)	[12]
Emergency laparotomy	Eastborne, United Kingdom	2008-2010	3 (3.1)	[13]
Emergency laparotomy and age ≥ 80 yr	Gillingham, United Kingdom	2005-2010	5 (5.0)	[14]
Damage-control laparotomy and non-trauma patients	Auckland, New Zealand	2008-2010	13 (31.0)	[15]