Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Oct 7, 2017; 23(37): 6868-6876
Published online Oct 7, 2017. doi: 10.3748/wjg.v23.i37.6868
Table 1 ICD-9 codes used to identify patients
Bleeding from esophageal varices456
Esophageal varices in diseases classified elsewhere456.2
Spontaneous bacterial peritonitis567.23
Alcoholic fatty liver571
Alcoholic cirrhosis of liver571.2
Laennec's cirrhosis571.2
Cirrhosis of liver nos571.5
Cirrhosis of liver without mention of alcohol571.5
Macro nodular cirrhosis571.5
Micro nodular cirrhosis571.5
Portal cirrhosis NOS571.5
Posthepatitic cirrhosis571.5
Post necrotic cirrhosis571.5
Cholangitic cirrhosis571.6
Cholestatic cirrhosis571.6
Hepatic encephalopathy572.2
Portal hypertension572.3
Hepatorenal syndrome572.4
Other sequelae of chronic liver disease572.8
Hepatopulmonary syndrome573.5