Ghodratollah Roshanaei

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BACKGROUND Gastric cancer (GC) is one the most common causes of death worldwide. Despite the decreasing rate of GC in the world through recent years, it is still the most common cancer in men and the fourth in the general population in Iran. This study aimed to assess the survival of patients with GC and to determine prognostic factors. MATERIALS AND(More)
BACKGROUND Breast cancer is the most common cancers in female populations. The exact cause is not known, but is most likely to be a combination of genetic and environmental factors. Log-logistic model (LLM) is applied as a statistical method for predicting survival and it influencing factors. In recent decades, artificial neural network (ANN) models have(More)
AIM Multiple sclerosis is a demyeliting autoimmune inflammatory disorder of central nervous system (CNS) with unknown etiology, which afflicts more than 2.5 millions of the world's population. The aim of this study was to investigate the association between some immunological-related risk factors (tonsillectomy, appendectomy and hepatitis B vaccination) and(More)
Menopause is a natural part of the aging process in women and is defined as occurring 12 months after the last menstrual period marking the end of menstrual cycles. Menopause has a negative impact on the quality of life (QoL). Various generic and specific questionnaires have been used for assessing different dimensions of QoL in menopausal women. The(More)
BACKGROUND Epidemiological information on tuberculosis (TB) is required to plan control and prevention strategies and to inform service delivery systems. The aim of present study was to determine the epidemiological status of TB in Hamadan Province covering a seven-year period. METHODS In this cross-sectional study all registered TB patients suffering(More)
BACKGROUND In some survival studies, several events are taken into consideration. If the events are independent then the ordinary methods such as Kaplan-Meier, Cox or parametric models can be used. If one of the events dependently (informatively) censors the other, the results are biased. The present study was designed to assess the risk factors for(More)
This study aimed to investigate the predictive power of anti-HLA antibodies, sCD30 levels and IgA-anti-Fab autoantibody before and early after transplantation in relation to long-term kidney allograft survival. Pre- and post-transplant sera samples of 59 living-unrelated donor kidney recipients were tested for above risk factors by enzyme-linked(More)
OBJECTIVES Drug dependence as a chronic disorder is reversible over time and has a cost burden for individuals, families, and society. An individual who has stopped taking drugs for a long time may start taking drugs again. The variables affecting the reuse of drugs are not well known. Therefore a study of the factors that increase the length of time away(More)
OBJECTIVES Menopause can have psychological, physical, and vasomotor symptoms along with sexual dysfunction and these symptoms can affect the quality of life (QOL). The purpose of this research was to determine and association the effective factors on QOL among postmenopausal Iranian women. METHODS This cross-sectional study was conducted in 2015 on 300(More)
PURPOSE To evaluate the efficacy of brushing and flossing order on control of plaque and gingival inflammation. MATERIALS AND METHODS This cross-over clinical trial was conducted on 35 students recruited from the dental school at Hamadan University of Medical Sciences. The subjects were asked to use dental floss and then brush for a 2-week period (FB),(More)