نتایج جستجو برای: positive predictive value ppv
تعداد نتایج: 1420372 فیلتر نتایج به سال:
This study aimed to explore the sensitivity and specificity an approach to confirm the depth of the endotracheal tube. It was a prospective, diagnostic study (Registration number: chiCTR-TRC-14005170) conducted in the Department of Anesthesiology of West China Hospital. A total of 100 patients underwent general anesthesia were included. The distance between the upper margin of the cuff and the ...
Individuals who report psychotic-like experiences are at increased risk of future clinical psychotic disorder. They constitute a unique "high-risk" group for studying the developmental trajectory to schizophrenia and related illnesses. Previous research has used screening instruments to identify this high-risk group, but the validity of these instruments has not yet been established. We adminis...
Background and purpose: The purpose of this study was to compare ultrasound and urine analysis and shock index with CT scan in the diagnosis of intraabdominal injury (IAI) in blunt abdominal trauma (BAT). Material and Methods: During 2011/3/21 to 2012/3/20, all adult patients with BAT presenting to the Emergency Department of Imam Hossain Hospital were studied. The sensitivity, specificity, po...
Background: Transcutaneous bilirubinometry (TCB) has different results in different societies. In the present study the diagnostic effectiveness of TCB was determined in a group of Iranian neonates with severe jaundice. Materials and methods: Totally, 525 samples form 260 neonates were surveyed. Neonates were examined during the first 26±6 hours and entered the study if fulfilled the inclusion...
This study was carried out to assess the use of HIV-related oral lesions as markers of immunosuppression defined as CD4+ cell counts <200 cells/mm and viral load 20,000 copies/ml in HIV positive Nigerian adults. Cross-sectional study on 278 HAART naive adults seen at an AIDS referral Centre.Oral examination was according to the European Community Clearinghouse on oral problems related to HIV in...
Background and purpose: The prevalence of malignancy in thyroid nodules have been reported 1-10%. Epidemiological studies suggest that thyroid cancer incidence is rising over the last 20 years. The aim of this study was to evaluate the results of fine needle aspiration of thyroid nodules in patients referred to Imam Khomeini hospital in recent decades (2003-2011) in Sari. Materials and methods...
Background and purpose: Determining the severity and site of rotator cuff tear (RCT) is very important for choosing a treatment method. In this study, the diagnostic value of indirect magnetic resonance arthrography (I-MRA) and magnetic resonance imaging (MRI) were compared. Materials and methods: This cross-sectional study was performed in 36 patients attending an orthopedic clinic in 2020. P...
BACKGROUND RAMSES is a 7 year follow up study, aiming at the evaluation of the effectiveness and the efficiency of screening for amblyopia. In this first report, concerning the first 2 years of life, the compliance with the prevention programme and the positive predictive value (PPV) of the screening tests used, are presented. METHODS All results of the standardised screening test for strabis...
Ubiquicidin (UBI) [29-41] is a synthetic cationic antimicrobial peptide that preferentially binds to bacterial cell membrane at the site of infection. We aimed to assess diagnostic value of 99mTc-UBI [29-41] as a radiopharmaceutical in differentiation of bacterial infection from sterile inflammation in suspected orthopedic implants. Nine patients suspected for orthopedic implant infection, all ...
BACKGROUND The purpose of this study was to assess the utility of imaging and endoscopy in posttreatment surveillance of sinonasal malignancies. METHODS We conducted a retrospective analysis of primary sinonasal malignancies diagnosed between 2000 and 2014. Posttreatment surveillance included nasal endoscopy and imaging (MRI, CT, and positron emission tomography [PET]/CT). Positive predictive...
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