background: vitamin d deficiency is a pandemic problem mostly diagnosed in elderly. few studies are available exclusively done on the topic among young adults. specific professions such as medical students may have higher risk for developing hypovitaminosis d. we aimed to assess the vitamin d status in medical students of iran university of medical sciences; and to define a cut‑off point for 25...

results 22 patients were male (73.3%) and the mean age was 60.3 ± 10.6 years in our study group. the most common artery for cut off and run off was superior femoral artery in both assessments. proximal section of each artery was the most common anatomical section for cut off and run off. there was a same report of cut off artery by mr-angiography and surgery (kappa coefficient of agreement was ...

at the highest signal levels, the masking function for the off-frequency condition seems to become more linear. while some basilar membrane data show more linear growth at high levels, others do not. aim of the present study is to assess function of masking at high levels regarding its clinical appearance. in this experiment we evaluated the hearing thresholds of three different signals (wide-b...

abstract background: assessment of developmental skills is one of the most essential components of children’s health evaluation. since several pubertal disorders are caused by parental negligence in diagnosis, prevention, and treatment of childhood problems, failure to make a timely diagnosis of these problems could have adverse effects on the health of children in future. this study was conduc...

On the basis of MacAdam's data, we have computed a psychophysical function which characterizes the transference of the colour information processed by the human visual system in the chromatic frequency domain. This function, obtained using chromatic-discrimination criteria, shows a cut-off frequency between 0.01375 and 0.02 c/nm, depending upon the colour-tolerance units adopted.

conclusions optimal wc values for defining mets were 91.5 cm and 85.5 cm in men and women, respectively. the cut-off values recommended by world organizations are not appropriate for an adult population living in ahvaz city. results the cut-off points of wc, according to a maximum sum of sensitivity plus specificity for detecting at least two components of mets were found to be 91.5 cm and 85.5...

background: hypoglycemia is one of the most common neonatal disorders, associated with severe complications. there has been a great deal of controversy regarding the definition and screening of hypoglycemia. therefore, in this study, we aimed to determine a cut-off value for blood glucose level in glucometer readings. methods: this cross-sectional study was conducted on 238 newborns at risk of ...

in most of the sugar beet cultivated areas including kermanshah, iran, late season irrigation is cut- off earlier than usual which causes drought stress in the crop. since root yield still increses in sept. and oct. these areas, withholding irrigation in this period reduce root yield and quality of sugar beet. for this reason, an experimente was conducted during 2004- 2005 based on split plot d...