introduction: it is recommended that the physician apply at least a semi-quantitative segmental scoring system in myocardial perfusion spect.  we aimed to assess the agreement between automated semi-quantitative analysis using qps (quantitative perfusion spect) software and visual approach for calculation of summed stress  score (sss), summed rest score (srs) and summed difference score (sds). ...

Background: To reduce the mortality and morbidity rates of cystic fibrosis (CF) patients, and to have an effective clinical management, it is important to monitor the progression of the disease. The aim of this study was to evaluate the progression of lung disease in CF patients by means of assessing the correlation of the CT scoring system with clinical status and pulmonary function test at th...

In decathlon the athletes’ performances are recorded in meters, centimeters, minutes and seconds. These performances from different events are converted into points to make them comparable. However, how to convert results into points is a difficult and controversial issue. In this thesis, it is believed that points of a performance should be rewarded basing on its difficulty, the quality of a p...

various scoring systems have been devised to aid diagnosis of acute appendicitis. the main objective of this study was finding the accuracy of modified alvarado score in prediction of acute appendicitis. the registries of cases with appendectomy, who had been admitted to a referral medical center in the capital of iran from february 2000 to march 2004, were studied. sensitivity and specificity ...