نتایج جستجو برای: 2 serology
تعداد نتایج: 2530421 فیلتر نتایج به سال:
introduction: helicobacter pylori infection is likely acquired was in childhood. helicobacter pylori is recognized as a cause of gastritis and peptic ulcer. our objective to investigate some noninvasive tests, particularly serum h pylori igg, for the diagnosis of h pylori infection in comparison with the gold-standard invasive test, esophagogastroduodenoscopy with biopsy (histology and rapid ur...
BACKGROUND Early Lyme disease patients often present to the clinic prior to developing a detectable antibody response to Borrelia burgdorferi, the etiologic agent. Thus, existing 2-tier serology-based assays yield low sensitivities (29%-40%) for early infection. The lack of an accurate laboratory test for early Lyme disease contributes to misconceptions about diagnosis and treatment, and unders...
BACKGROUND Accurate diagnosis of Bordetella pertussis infection is difficult. Polymerase chain reaction (PCR) tests are more sensitive than culture, but the reported sensitivity is variable. We prospectively compared the performance of culture, serology, and a multiplex PCR for the detection of B. pertussis. METHODS A total of 193 paired nasopharyngeal (NP) swab specimens were examined by bot...
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