Results 21 to 30 of about 50,597 (276)

Multimodal imaging of experimental choroidal neovascularization [PDF]

open access: yesInternational Journal of Ophthalmology, 2022
AIM: To compare choroidal neovascularization (CNV) lesion measurements obtained by in vivo imaging modalities, with whole mount histological preparations stained with isolectin GS-IB4, using a murine laser-induced CNV model. METHODS: B6N.Cg-Tg(Csf1r-EGFP)
Ioanna Tsioti   +4 more
doaj   +1 more source

Ultrasonographic Evaluation of Cervical Length, Cervical Volume and Cervical Vascularization between 18 and 40 Weeks of Gestation

open access: yesSiriraj Medical Journal, 2016
Objective: To evaluate the correlation of cervical length, cervical volume and cervical vascularization during pregnancyusing 3D power Dopplerultrasonography, andtoexamine the reliability of these measurements.
Chutarat Sirichareon   +1 more
doaj   +3 more sources

Limit Distribution for The Weighted Rank Correlation Coefficient, rw

open access: yesRevstat Statistical Journal, 2006
A weighted rank correlation coefficient, inspired by Spearman’s rank correlation coefficient, has been proposed recently by Pinto da Costa & Soares [5].
Joaquim F. Pinto da Costa   +1 more
doaj   +1 more source

Retrospective analysis of the correlation between the facial biotype and the inclination of the upper canine cusp axis to the occlusal plane [PDF]

open access: yes, 2016
Permanent maxillary canines are the second most frequently impacted teeth and the prevalence of this clinical condition is estimated to be 1-2% in the general population.
Cielo, A.   +4 more
core   +1 more source

Validation of the Slovakian version of Boston Carpal Tunnel Syndrome Questionnaire (BCTSQ)

open access: yesActa Medica, 2019
Introduction: The most common occupational disease is carpal tunnel syndrome. The aim of this study was to translate and validate the Slovakian version of BCTSQ. Methods: The original questionnaire was translated into the Slovakian language by two expert
Romana Ulbrichtová   +4 more
doaj   +1 more source

Application of the Linear ordering Methods in the Voivodships Research in the Field of Social Media Usage in Enterprises in the Period 2014-2017 [PDF]

open access: yesJournal of Economics and Management, 2018
Aim/purpose - The aim of this paper is to analyze and compare the development of voivodships in terms of social media usage in enterprises in the period from 2014 to 2017.
Paweł Kaczmarczyk
doaj   +1 more source

Order statistics correlation coefficient as a novel association measurement with applications to biosignal analysis [PDF]

open access: yes, 2007
In this paper, we propose a novel correlation coefficient based on order statistics and rearrangement inequality. The proposed coefficient represents a compromise between the Pearson's linear coefficient and the two rank-based coefficients, namely ...
Chang, C   +4 more
core   +1 more source

Robust Estimators for the Correlation Measure to Resist Outliers in Data

open access: yesJournal of Mathematical and Fundamental Sciences, 2016
The objective of this research was to propose a composite correlation coefficient to estimate the rank correlation coefficient of two variables. A simulation study was conducted using 228 situations for a bivariate normal distribution to compare the ...
Juthaphorn Sinsomboonthong
doaj   +1 more source

RETRACTED: Post-acute (long) COVID-19 quality of life: validation of the German version of (PAC19QoL) instrument

open access: yesFrontiers in Public Health, 2023
PurposeThe aim of our study was to validate a German translation of the post-acute (long) COVID-19 quality of life (PAC-19QoL) instrument among German patients with long COVID-19 syndrome.Patients and methodsThe PAC-19QoL instrument was translated into ...
Srikanth Umakanthan   +4 more
doaj   +1 more source

Evaluating the provision of school performance information for school choice [PDF]

open access: yes, 2013
We develop and implement a framework for determining the optimal performance metrics to help parents choose a school. This approach combines the three major critiques of the usefulness of performance tables into a natural metric.
Abdulkadiroğlu   +34 more
core   +2 more sources

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