نتایج جستجو برای: mann whitney u test

تعداد نتایج: 966662  

Journal: :Infection and immunity 1995
A Rowe J Obeiro C I Newbold K Marsh

Rosette formation in 154 fresh Plasmodium falciparum isolates from Kenyan children with mild (n = 54), moderate (n = 64), or severe (n = 36) malaria was studied to determine whether the ability to form rosettes in vitro is correlated with malaria severity. There was a wide distribution of rosette frequencies within each clinical category; however, a clear trend towards higher rosette frequency ...

2015
Nina Petrović Snežana Jovanović-Ćupić Goran Brajušković Silvana Lukić Jelena Roganović Milena Krajnović Vesna Mandušić

Invasive ductal carcinomas with a non-invasive component (IDC-DCIS) are classified as a group of invasive breast carcinomas, together with pure invasive ductal carcinomas of the breast (IDC). MicroRNA-21 (miR-21) has been characterized as a factor of breast cancer invasiveness, however the difference in miR-21 expression levels between IDCDCIS and pure IDC tumors and the correlations with stand...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2008
T B Carvalho E Gonçalves-de-Freitas

We tested whether the fish Nile tilapia (Oreochromis niloticus) in a monosex male group spends more energy and displays an agonistic profile, differently from males in male-female groups. Such differences are expected because males and females should compete for different reproductive resources. An intruder male (MM) or female (MF) was paired with a resident male and agonistic interaction was q...

Journal: :International journal of antimicrobial agents 2002
Hartwig Wilhelm Bauer Volker W Rahlfs Pierre A Lauener Gabriela S S Blessmann

A meta-analysis was performed on five studies conducted over the last decade to demonstrate a positive effect for the drug Uro-Vaxom compared with Placebo in double-blind studies in patients with urinary tract infection (601 women), with special reference to the prevention of recurrences over an observation period of 6 months, the treatment being given for the first 3 months. The five studies w...

Journal: :Journal of statistical planning and inference 2011
Liansheng Larry Tang N Balakrishnan

The Wilcoxon-Mann-Whitney statistic is commonly used for a distribution-free comparison of two groups. One requirement for its use is that the sample sizes of the two groups are fixed. This is violated in some of the applications such as medical imaging studies and diagnostic marker studies; in the former, the violation occurs since the number of correctly localized abnormal images is random, w...

Journal: :Ginekologia polska 2014
Małgorzata Swiatkowska-Freund Anetta Traczyk-Łoś Krzysztof Preis Mariusz Łukaszuk Katarzyna Zielińska

OBJECTIVES The aim of the study was to assess changes in the consistency of the uterine cervix and correlate the obtained results with the risk of premature delivery and time from examination to delivery MATERIAL AND METHODS Elastographic images of the cervix in a group of 44 patients, admitted to the hospital due to uterine contractions before 37 weeks of gestation, were recorded and analyze...

2013
Pernille Barbré Pedersen Peter Vilmann Daniel Bar-Shalom Anette Müllertz Stefania G. Baldursdottir

The purpose of this study was to select a polymer for a simulated gastric media (simHGF) to obtain rheological properties similar to that of aspirated human gastric fluid (aspHGF). Rheological characterization showed that addition of 0.2% (w/v) MC 20.000 mPa·s to simHGF provided a simulated media with rheological properties similar to that of aspHGF. INTRODUCTION Many efforts have been made tow...

2016
Farid Abbasi Maryam Raoof Roya Khatami Niloofar Shadman Farnaz Borjian-Boroojeni Farahnaz Nazari

BACKGROUND Recurrent aphthous stomatitis (RAS) is a common condition that affects approximately 20% of the general population. The ulcers can interfere with speech and eating and cause significant pain and discomfort. This study aimed to evaluate the efficacy of Amlexanox and Adcortyl in the treatment of aphthous ulcers. MATERIAL AND METHODS In this randomized double blind clinical trial with...

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