identification of acid-fast bacilli (afb) in sputum or tissue samples is among definite diagnostic methods of tuberculosis. however, this method of diagnosis is restricted by certain limitations.   serologic diagnosis of tuberculosis (tb) has been used for a long time. the aim of this study was to determine the sensitivity and , specificity of antigen 60 (a60) igg, iga, igm test results in tb d...

multiple diagnostic tools are used by emergency physicians, every day. in addition, new tools are evaluated to obtain more accurate methods and reduce time or cost of conventional ones. in the previous parts of this educational series, we described diagnostic performance characteristics of diagnostic tests including sensitivity, specificity, positive and negative predictive values, and likeliho...

background: the efficacy of various screening variables in detection of diabetes mellitus (dm) is unclear.   objective: to determine the efficacy of various diagnostic tests for type 2 dm.   methods: 1021 inhabitants of hakimieh district of tehran aged between 30 and 75 years were studied.  known cases of diabetes and those with factors influencing glucose tolerance test were excluded.  age, se...

objectives this study aimed to assess the effect of object position in the field of view (fov) of cbct on detection of vrfs in teeth with intra-canal posts. materials and methods the crowns of 60 extracted premolar teeth were cut at the level of cementoenamel junction (cej). root canals were filled with gutta-percha and filling of the coronal 2/3 of the root canals was subsequently removed to f...

introduction: traumatic chest injuries (tci) are one of the most common causes of referring to the emergency departments, with high mortality and disability. this study was designed to evaluate the diagnostic accuracy of ultrasonography versus chest x ray (cxr) in detection of hemo-pneumothorax for patients suffering penetrating tci. methods: the present cross-sectional study was performed to e...

background: the present study aimed to determine the prevalence and associated risk factors of vaginal trichomoniasis in women referred to gynecologic clinic in benha university hospital, egypt. methods: two hundred female patients enrolled in the study. vaginal samples were obtained from them and examined for t. vaginalis by wet mount, giemsa stain, acridine orange (ao) stain and culture on mo...

The performance of diagnostic tests can be assessed by a number of methods. These include sensitivity, specificity,positive and negative predictive values, likelihood ratios and receiver operating characteristic (ROC) curves. This paper describes the methods and explains which information they provide. Sensitivity and specificity provides measures of the diagnostic accuracy of a test in diagnos...

AIM The clinical presentation of inflammatory bowel disease in primary care represents a diagnostic challenge as its symptoms are heterogeneous and common. To assist the primary care physician, we have summarized the available evidence on diagnostic tests in patients with abdominal symptoms. METHOD We searched PubMed and Embase and screened references. Studies were selected if the design was ...

objective: anti-cyclic citrullinated peptide (anti-ccp) antibodies are highly specific markers for rheumatoid arthritis (ra) and useful for predicting rheumatoid arthritis (ra) development and progression. we assessed the diagnostic value of anti-ccp antibodies in our patients with ra. materials and methods: anti-ccp antibodies and rheumatoid factor (rf) titers were determined in 247 serum sam...