
Keywords: ICD-9-CM، طبقه بندی بین المللی بیماری ها، ویرایش نهم، اصلاح بالینی; SBP, Spontaneous bacterial peritonitis; PPI, Proton pump inhibitor; H2RA, H2-receptor antagonist; NHIRD, National Health Insurance Research Database; ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification; HR, Hazard rat