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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2010 Oct 26;9(3):266–273. doi: 10.1016/j.cgh.2010.10.015

Table 2.

Distribution of etiologic groups for chronic pancreatitis patients (all and stratified by gender) in the North American Pancreatitis Study 2

Etiology group (%) All (n=539) Female (n=256) Male (n=283)
Alcohol 240 (44.5) 72 (28.1) 168 (59.4)
Genetic 47 (8.7) 32 (12.5) 15 (5.3)
Autoimmune 12 (2.2) 6 (2.3) 6 (2.1)
Obstructive 47 (8.7) 33 (12.9) 14 (4.9)
Other 39 (7.2) 23 (9.0) 16 (5.7)
Idiopathic 154 (28.6) 90 (35.2) 64 (22.6)

Patients were assigned to an etiologic group based on the physician's working diagnosis using a hierarchical algorithm (see methods section for details). Patients with genetic, autoimmune, obstructive and other etiologies were combined into the “non-alcohol” etiology group.