... design, datacollection, data analysis, data interpretation and writing.PGV participated in concept, design and data interpreta-tion. CGL participated in concept, design, data interpreta-tion and ... Center.Data Analysis and Statistical MethodsAll data were analyzed using SPSS 11.5 (SPSS Inc., Chi-cago, IL, USA). Patient survival was defined as the timeinterval between date of first patient ... Survival was also evaluated usingunivariate and multivariate Cox regression analysis. Vari-ables evaluated included SGA, age at presentation, priortreatment history, and stage at diagnosis. For...