Affine invariant analogues of the two-sample Mann-Whitney-Wilcoxon rank sum test and the c-sample Kruskal-Wallis test for the multivariate location model are introduced. The definition of a multivariate (centered) rank function in the development is based on the Oja criterion function. This work extends bivariate rank methods discussed by Brown and Hettmansperger (1987a,b) and multivariate sign...

MATERIALS AND METHODS: A list of fellowship programs was obtained from the website of American Society of Craniofacial Surgery (ASCFS). Faculty demographics and institution characteristics were obtained from official program websites. H-indices for each faculty member were calculated using the Scopus database (Elsevier, USA). Data was assessed using bivariate analysis (Kruskal-Wallis and Mann-W...

Methods The study was performed on 54 patients admitted to Matei Bals Institute Bucharest, between January 2010 July 2010, out of which 30 women and 24 men aged 21-64 years. 14 patients were diagnosed with HIV stage C3(CDC criteria), 11 with HBV and 14 with HCV infection, while 15 were healthy controls. We assessed the plasma level of 25-OHD(nmol/L, Elisa kit, Immunodiagnostic Systems), IFN g, ...

The aim of this investigation was to determine, compare and evaluate three different computerized tracing programs, where the lateral cephalograms were digitized on the screen. 39 randomly selected cephalometric radiographs were used in the present study. Three programs Planmeca Romexis® (Romexis 3.2.0., Helsinki, Finland), Orthalis (France) and AxCeph (A.C 2.3.0.74, Ljubljana, Slovenia) were e...