نتایج جستجو برای: negative predictive value
تعداد نتایج: 1316490 فیلتر نتایج به سال:
INTRODUCTION To evaluate predictive indices for candidemia in an adult intensive care unit (ICU) and to propose a new index. METHODS A prospective cohort study was conducted between January 2011 and December 2012. This study was performed in an ICU in a tertiary care hospital at a public university and included 114 patients staying in the adult ICU for at least 48 hours. The association of pa...
conclusion it was concluded that elisa-based anti h. pylori igg test in saliva could be used as an alternative diagnostic test in the absence of other invasive procedures. background helicobacter pylori is known as an agent which may involve in the occurrence of peptic ulcer, gastric cancer and also other known and unknown diseases. treatment of the infection with antibiotics eradicates the dis...
conclusion fm is more sensitive than zn for diagnosis of tb. however, since fm is more sensitive and rapid, using this method in clinical laboratories with large specimen numbers is recommended. results a total of 102 out of 920 study subjects had pulmonary tb, of them 68 (66.66%) patients were smear positive by either staining method while others were smear negative. the proportion of positive...
conclusions trained emrs like their fellow rrs have the ability to perform fast scan with high diagnostic value in patients with blunt abdominal trauma. objectives this study was conducted to compare the diagnostic accuracy of fast performed by emergency medicine residents (emr) and radiology residents (rrs) in detecting peritoneal free fluids. patients and methods patients triaged in the emerg...
Background and aim: The distinction between benign and malignant prostate lesions is one of the important issues in pathology. Misdiagnosis in these cases can lead to unnecessary treatments. The purpose of this study was to evaluate the diagnostic value of P504S sputum penetration in diagnosis of prostate cancer. Material and Methods: In this experimental study, 33 benign samples and 33 prosta...
Objectives The fractional flow reserve (FFR) is an index of the severity of coronary stenosis that has been clinically validated in several studies. The instantaneous wave-free ratio (iFR) and the resting distal coronary artery pressure/aortic pressure (Pd/Pa) are nonhyperemic pressure-derived indices of the severity of stenosis. This study sought to examine the diagnostic accuracy of the iFR a...
Abstract Background: Quantitative Electroencephalography (QEEG) is an effective modality in the study of brain functions in various conditions such as sleep, unconsciousness, seizures and hypnosis. The purpose of the study was to compare sensitivity and specificity of this new analytical procedure (QEEG) in the diagnosis of stroke. Materials and methods: QEEG was performed on 17 healthy p...
We analysed the serum C-reactive protein level, synovial fluid obtained by joint aspiration and five synovial biopsies from 145 knee replacements prior to revision to assess the value of these parameters in diagnosing late peri-prosthetic infection. Five further synovial biopsies were used for histological analysis. Samples were also obtained during the revision and incubated and analysed in an...
objective(s) in the last few years, serum procalcitonin has been proposed as an early marker of infections in neonates, with varying results. in this study, we aimed to investigate the value of procalcitonin, and c- reactive protein in establishing the diagnosis of neonatal sepsis. materials and methods blood samples were collected at admission from 69 neonates with suspected infection (admitte...
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