objective: to determine the diagnostic value of blood cells surface markers in patients with acute appendicitis. methods: in this cross-sectional study, 71 patients who underwent appendectomy following a diagnosis of appendicitis were recruited during a one-year period. the patients were divided into two groups: patients with histopathologically confirmed acute appendicitis and subjects with no...

background: nasal fracture is a common fracture due to trauma. gold standard method in diagnosis of nasal fracture is clinical examination and radiography is used in legal situation. recently, ultrasound is recommended as a noninvasive and simple method in diagnosis of nasal fracture. this study investigates the role of ultrasound in diagnosis of nasal fracture. methods: 126 cases with suspecte...

the charts of 27 patients with kawasaki disease (kd) admitted to nemazee hospital in shiraz from january 1991 to october 1998 were reviewed to identify the results of mean peroxidase index (mpxi) values, a measure of neutrophil staining intensity, obtained by the technicon hi analyzer (technicon instruments corp., tarrytown, ny) within the first 10 days of the illness 2 separate groups of patie...

normal 0 false false false en-us x-none ar-sa background: in some studies, the level of adenosine deaminase ( ada) in sputum and effusion liquids was used for the diagnosis of tuberculosis (tb). but it is not always possible to access these materials. the goal of this study is to assess the diagnostic value of serum ada levels in pulmonary tb patients. materials and methods: in this study, 40 s...

If clinical quality assurance and cost-effectiveness of diagnostic testing are to be measured, some sort of measurement of the clinical value of a test result is needed. The predictive value of a test result is not a real measure of its clinical value, and, particularly, when used in the later stages of a diagnostic workup, it can be misleading. Using the same data that go into a calculation of...