Sentence examples for all statistical computations were performed using from inspiring English sources

All statistical computations were performed using SAS software version 9.2 (SAS Institute Inc ,Cary, NC, USA).

All statistical computations were performed using a statistical software (SAS 8.0, SAS Institute Inc., Cary, NC, USA).

All statistical computations were performed using GraphPad Prism 4.0 (GraphPad Software).

All statistical computations were performed using the SAS system [28], StatXact [29] or R [30].

All statistical computations were performed using R [ 53].

All statistical computations were performed using PC-SAS (SAS Institute Inc., Cary, NC, USA).

All the statistical computations were performed using the STATISTICA software (version 5.97, Statsoft).

All summary statistical computations were performed using SAS version 6.12 (SAS Institute Inc., Cary, NC, USA).

All summary statistical computations were performed using SAS version 8 software (SAS Institute Inc., Cary, NC, USA).

All data management and statistical computations were performed using the SPSS 17.0 software package (SPSS Inc., Chicago, IL, USA).

Statistical computations were performed using R, a statistical computing language (http://www.r-project.org/), and the correlations were calculated using Spearman's correlation, a nonparametric method.