نتایج جستجو برای: spearman coefficient

تعداد نتایج: 176394  

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: :journal of occupational health and epidemiology 0
kh mahdavi h alinejad z hashemi f ghorbani gh bazmandegan

background: one of the factors that can improve self-concept and performance of staff is professional maturity. professional maturity can also solve the problems of self-concept. the purpose of this paper was to identify the relationship between the dimensions of self-concept and professional maturity.   materials and methods: this relative applicable study was performed on all the personnel (n...

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...

2013
Liviana Da Dalt Pasquale Anselmi Silvia Bressan Silvia Carraro Eugenio Baraldi Egidio Robusto Giorgio Perilongo

BACKGROUND In order to help assess resident performance during training, the Residency Affair Committee of the Pediatric Residency Program of the University of Padua (Italy) administered a Resident Assessment Questionnaire (ReAQ), which both residents and faculty were asked to complete. The aim of this article is to present the ReAQ and its validation. METHODS The ReAQ consists of 20 items th...

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...

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...

Journal: :European journal of ophthalmology 2009
Shai Bar-Sela Yoseph Glovinsky Tamara Wygnanski-Jaffe Abraham Spierer

PURPOSE To evaluate the magnitude of refractive astigmatism after congenital cataract surgery and to define its correlation with patient age. METHODS The authors retrospectively reviewed the charts of all pediatric patients who underwent congenital cataract extraction with intraocular lens (IOL) implantation through a 3.0-mm clear corneal incision from 1998 to 2003, and had no suture removal ...

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