نتایج جستجو برای: negative predictive value npv
تعداد نتایج: 1317488 فیلتر نتایج به سال:
The objective was to compare toluidine blue (TB) and autofluorescence (AF) for the detection of oral dysplasia and squamous cell carcinoma (OSCC) in clinically suspicious lesions according to conventional examination. Fifty-six clinically suspicious lesions were subjected to AF and TB examination. Data were compared using two different scenarios: in the first, mild dysplasia was considered as p...
BACKGROUND Frozen section analysis (FSA) is frequently used in salvage surgery for recurrent or residual nasopharyngeal carcinoma (rNPC) after radiotherapy to ensure adequate tumor removal. However, the diagnostic accuracy of FSA in rNPC has never been clearly established. We believe that this is the first study to specifically address these issues. METHODS Patients with rNPC who underwent na...
OBJECTIVE To evaluate the effectiveness of nested polymerase chain reaction (PCR) for diagnosis of extrapulmonary tuberculosis (ETB), as well as the impact of PCR results on clinical management. MATERIALS AND METHODS We conducted a study of nested PCR tests in 45 patients and a review of patient hospital files, calculating sensitivity, specificity, positive predictive value (PPV), and negativ...
Background/Aims Balloon expulsion test (BET) is regarded as a screening tool of dyssynergic defecation (DD). However, some patients with normal BET results may be treated effectively by biofeedback training. This study aims to validate BET as a single screening test. Methods Two hundred and thirty-two patients who were diagnosed with functional constipation or irritable bowel syndrome with co...
ABBREVIATIONS: ADA: Adenosine Deaminase; AFB: Acid Fast Bacilli; ALP: Alkaline Phosphatase; CPB: Closed Pleural Biopsy; CT: Computerized Tomography; HAI: Hospital Acquired Infection; HIV: Human Immunodeficiency Virus; LDH: Lactate Dehydrogenase; MM: Malignant Mesothelioma; NPV: Negative Predictive Value; PPV: Positive Predictive Value; SGOT: Serum Glutamic Oxaloacetate Transaminase; SGPT: Serum...
Background: Multislice computed tomography (MSCT) is a noninvasive method of detecting coronary artery disease (CAD). The purpose of the present study was to investigate the accuracy of 64-slice MSCT (64-MSCT) in daily practice, without patient selection. Methods: Sixty-four consecutive suspected CAD patients underwent both 64-MSCT and quantitative coronary angiography (QCA). The CT system The...
The objective of this study is to assess the value of postcone endocervical curettage, after conization of cervical intraepithelial neoplasia or carcinoma as a predictive tool for residual lesions. This is a retrospective observational study. All data were obtained by the University Hospital of Zurich, Department of Gynaecology. One hundred fifty patients underwent hysterectomy within 12 months...
BACKGROUND The neutrophil-to-lymphocyte ratio (NLR) has emerged as a new marker of inflammation associated with the severity of several respiratory and cardiac diseases. MATERIALS AND METHODS We investigated whether the degree of systemic inflammation in sarcoidosis patients as measured by the NLR is associated with pulmonary hypertension (PH). RESULTS A NLR > 3.5 occurred with a significan...
BACKGROUND ECG criteria differentiating Takotsubo cardiomyopathy (TTC) from mainly anterior myocardial infarction (MI) have been suggested; however, this was in small patient populations. METHODS AND RESULTS Twelve-lead admission ECGs of consecutive 200 TTC and 200 MI patients were compared in dichotomized groups based on the presence or absence of ST-elevation MI (STEMI versus STE-TTC and no...
OBJECTIVE Our objective was to measure the sensitivity and specificity of a six-item "pregnancy checklist" at excluding early- or luteal-phase pregnancy among women with a negative urine pregnancy test who were initiating contraception. STUDY DESIGN This was a secondary analysis of the Contraceptive CHOICE Project, a prospective cohort study of 9256 women in the St. Louis region. Women who ha...
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