نتایج جستجو برای: the spearman correlative coefficient

تعداد نتایج: 16063351  

2017
Feng Zhu Hongda Bao Peng Yan Shunan Liu Mike Bao Zezhang Zhu Zhen Liu Yong Qiu

BACKGROUND The factors associated with lateral curve flexibility in degenerative scoliosis have not been well documented. Disc degeneration could result in significant change in stiffness and range of motion in lateral bending films. The osteophytes could be commonly observed in degenerative spine but the relationship between osteophyte formation and curve flexibility remains controversial. The...

Journal: :The Journal of bone and joint surgery. American volume 2014
Rick W Wright

BACKGROUND Osteoarthritis of the knee is commonly diagnosed and monitored with radiography. However, the reliability of radiographic classification systems for osteoarthritis and the correlation of these classifications with the actual degree of confirmed degeneration of the articular cartilage of the tibiofemoral joint have not been adequately studied. METHODS As the Multicenter ACL (anterio...

2014
Wool Suh Jung Min Lee Changwon Kee

PURPOSE To evaluate the relationship between the structural damage as assessed by time-domain optical coherence tomography (OCT) and functional changes in glaucoma. METHODS In total, 190 patients with normal tension glaucoma or primary open angle glaucoma were included in this study. The thickness of retinal nerve fiber layer (RNFL) around the optic disc and the area of RNFL defect were deter...

Journal: :Egyptian Journal of Radiology and Nuclear Medicine 2022

Abstract Background Studying cervical cancer is critical as it the third most common gynecological malignancy. Therefore, a precise preoperative evaluation of characteristics disease well prognosis may significantly aid in diagnosis carcinoma planning its treatment. The purpose study To investigate if value apparent diffusion coefficient (ADC) could be interpreted prognostic indicator to predic...

Journal: :Adv. Data Analysis and Classification 2016
Matthijs J. Warrens

If a test consists of two parts the Spearman–Brown formula and Flanagan’s coefficient (Cronbach’s alpha) are standard tools for estimating the reliability. However, the coefficients may be inappropriate if their associated measurement models fail to hold. We study the robustness of reliability estimation in the two-part case to coefficient misspecification. We compare five reliability coefficie...

2016
Flavia L. Barbieri Jacques Gardon María Ruiz-Castell Pamela Paco V. Rebecca Muckelbauer Corinne Casiot Rémi Freydier Jean-Louis Duprey Chih-Mei Chen Jacqueline Müller-Nordhorn Thomas Keil

This study assessed lead, arsenic, and antimony in maternal and cord blood, and associations between maternal concentrations and social determinants in the Bolivian mining city of Oruro using the baseline assessment of the ToxBol/Mine-Niño birth cohort. We recruited 467 pregnant women, collecting venous blood and sociodemographic information as well as placental cord blood at birth. Metallic/se...

2012
Cecilia Tortajada Patricia G de Olalla Elia Diez Rosa M Pinto Albert Bosch Unai Perez Milagros Sanz Joan A Caylà

BACKGROUND Men who have sex with men (MSM) are a known group at risk for hepatitis A and outbreaks among this group are frequent. In Barcelona, vaccination for MSM has been recommended since 1994. In 1998 a vaccination campaign among preadolescents was implemented and an immunization program in gay bathhouses began in 2004. OBJECTIVE to asses the incidence of hepatitis A in adults in Barcelon...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1392

abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

Journal: :Stomatologija 2011
Ilze Maldupa Anda Brinkmane Anna Mihailova

OBJECTIVE. The purpose of this study is to evaluate the ability of two commercial strip tests and laboratory titration to detect saliva buffer capacity. MATERIALS AND METHODS. Sixty-four patients were examined. Stimulated saliva was collected and buffer capacity was determined with two different chair-side strip tests in addition to immediate transportation to the laboratory to check the buffer...

2017
Laura R Garcia-Rodriguez Dominique L Sanchez Alvin B Ko Amy M Williams Ed Peterson Kathleen L Yaremchuk

OBJECTIVES This study aimed to determine otolaryngology residents' quality of life and sleepiness. METHODS An electronic survey was distributed to otolaryngology residents in the United States in October 2014 and May 2015. The survey included questions from the Physician Well-Being Index (PWBI) and Epworth Sleepiness Scale (ESS). Data were analyzed using standard descriptive and frequency ana...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید