we examined the demographic characteristics of couples, ovarian response and sperm quality to determine the predictors of clinical fertilization in ivf cycles. a descriptive and analytic study was conducted using data and biologic specimens obtained fatemeh-alzahra of babol infertility center from 2004 to 2005. only data from 315 women who had medical indication for conventional ivf treatment w...

many health studies were interested to find the association between multiple predictors with a dependent variable. the popular method to analyze these studies was multiple regressions that assumed the predictors were independent. while in practice some predictors may depend on each other and they could not be presented in a regression model simultaneously, as a result the appropriate models suc...

background the purpose of this study was to investigate the relationship between personality traits and coping style among university students. material and methods the sample consisted of 239 female university students that were selected by multistep sampling; it lasted from jul. to oct. 2011. they reply to 2 scales: 1) neo personality traits questionnaire and 2) ciss coping style scale. data ...

background hepatitis b virus (hbv) is among the leading causes of liver cirrhosis worldwide. predictors of cirrhosis in iranian chronic hepatitis b (chb) patients are yet to be clearly identified. objectives evaluating the predictive factors of liver cirrhosis in chb. patients and methods a longitudinal study was conducted during 1995 - 2014 on all chb patients who were referred to tehran hepat...

Preparation for pregnancy and management of modifiable risk factors result in favorable pregnancy and childbirth outcomes. Regarding this, the present study aimed to determine preconception lifestyle status and its predictors among women contemplating pregnancy. This cross-sectional study was conducted on 201 women aged 18-35 years contemplating pregnancy for the coming year. The data were coll...

In this paper, we discuss different predictors of times to failure of units censored in a hybrid censored sample from exponential distribution. Bayesian and non-Bayesian point predictors for the times to failure of units are obtained. Non-Bayesian prediction Intervals are obtained based on pivotal and highest conditional density methods. Bayesian prediction intervals are also proposed. One real...