posted on 2015-09-23, 04:41authored byAntonia Lepida, Massimo Colombo, Inmaculada Fernandez, Djamal Abdurakhmanov, Paulo Abrao Ferreira, Simone I. Strasser, Petr Urbanek, Alessandra Mangia, José L. Calleja, Wafae Iraqi, Ralph DeMasi, Isabelle Lonjon-Domanec, Christophe Moreno, Heiner Wedemeyer
All variables analysed in the univariate analysis were included in the initial multivariate model. Variables only remained in both models if they reached a significance level of the Wald chi-squared of 0.1 in the multivariate model. This analysis consisted of 1189 observations.