fa علل بستری‌شدن و یافته‌های بالینی شایع در سالمندان بستری‌شده در بخش عفونی بیمارستان ولی‌عصر(عج) بیرجند (سال 89-1388) General پژوهشي Research Article Background and Aim : The elderly form a large sector ssof the human population worldwide. Aging is a risk factor for morbidity and mortality and infectious diseases are among the important causes of morbidity and mortality in this group. The present study aimed at determining the reasons for the hospitalization of the elderly in the infection wards and type and prevalence of the infections which necessitated their hospitalization.   Materials and Methods : In this descriptive analytical Cross-sectional study 350 patients (≥65 yrs) that were admitted to infectious diseases ward of Vali-e-Asr hospital were evaluated. By using questionnaire personal information, the first and ultimate diagnosis of the disease, and characteristics and remedial knowledge of the patients (including the history of previous and contemporary diseases, history of hospitalization, and recent medicines taken) was gathered. The obtained data was analysed by means of SPSS software (version 13) and the statistical Chi-square test at the significant level P ged,Infection,Patient Admission,Hospitalization 205 211 http://mcj.bums.ac.ir/browse.php?a_code=A-10-1-532&slc_lang=fa&sid=1 Masood Ziaee مسعود ضیائی 10031947532846004303 10031947532846004303 No Associated Professor, Department of Infectious Diseases and the Member of Infectious Diseases and Tropical Medicine Research Center, Birjand University of Medical Sciences. Birjand, Iran دانشیار بیماری های عفونی، گروه بیماری های داخلی و عضو مرکز تحقیقات بیماری های عفونی و گرمسیری دانشگاه علوم بیرجند، ایران Gholamreza Sharifzadeh غلامرضا شریف‌زاده 10031947532846004304 10031947532846004304 No Instructor, Department of Public Health, Birjand University of Medical Sciences. Birjand, Iran عضو هیات علمی دانشکده پزشکی و عضو مرکز تحقیقات سلامت خانواده و جامعه دانشگاه علوم پزشکی بیرج Jamal Mirzaei جمال میرزائی 10031947532846004305 10031947532846004305 Yes Infectious Diseases Specialist, Military University of Medical Sciences, Tehran, Iran. Email: mirzaei@dr.com متخصص بیماریهای عفونی، بیرجند، ایران. تلفن: 09155115322 پست الکترونیک: mirzaei@dr.com Laleh Lotfi لاله لطفی 10031947532846004306 10031947532846004306 No Physician, Birjand University of Medical Sciences, Birjand, Iran پزشک عمومی، دانشگاه علوم پزشکی بیرجند، ایران