objective(s): this study addresses feature selection for breast cancer diagnosis. the present process uses a wrapper approach using ga-based on feature selection and ps-classifier. the results of experiment show that the proposed model is comparable to the other models on wisconsin breast cancer datasets. materials and methods: to evaluate effectiveness of proposed feature selection method, we ...

background and aims: according to different reports about the demographic characteristics of patients with acute myocardial infarction in iran, this study performed to determine the average age of morbidity and mortality from ami and its changes over time. methods: a hospital-based retrospective cohort study (historical) including all patients with acute myocardial infarction admitted to hospit...

background: fertility as one of the factor affecting population growth itself is affected by various factors. therefore, identifying factors which can influence this component is very vital. the purpose of this study was comparative investigate fecundity rate of 15-49 year old and married women under imam-emdad-committee and rehabilitation organizations’ protection and 15-49 year old women who ...

objectives: the object of this research was to investigate the «quality of life» and relation to demographic characteristics in elderly peopel of tehran. methods & materials: the method of this research was a descriptive-correlation. in this research 243 of elder were selected with accessible sampling from people who referred to elder centers, cultural centers, and public parks in deferent dist...

aim and background: the purpose of this study was to compare patients with functional gastrointestinal disorders (fgid) and normal persons in terms of alexithymia, severity of gastrointestinal symptoms, and demographic variables. methods and materials: this causal-comparative research included 129 fgid patients who were referred to a psychosomatic disorders clinic in isfahan, iran. a matched gr...

background there are few reports from iran about the epidemiology and clinical features of inflammatory bowel disease (ibd). this study aims to determine the epide­miologic profile and clinical features of ibd in northwest iran referral centers. methods in a cross-sectional setting, we evaluated 200 patients with definitive diagno­ses of ibd who referred to tabriz educational hospitals during t...

background& objectives :    the epidemiology of suicide plays a  significant role in the identification of mental health in the society.the present study was carried out to determine the demographic characteristics and mental state evaluation among victims with suicidal attempt in tabriz ( in 2001 ) . materials and methods :in this cross - sectional study 301 patients (170 females and 131 males...

Data from a non-clinical sample of 540 heterosexual women were used to examine the relationships between scores on the Sexual Excitation/Sexual Inhibition Inventory for Women (SESII-W) and ratings of current sexual problems, lifetime arousal difficulty, lifetime orgasm difficulty, and lifetime problems with low sexual interest. Multiple regression analyses also included several demographic/back...