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

All statistical comparisons were performed using the SigmaStat Version 3.11 software (Systat Software Inc., Chicago, IL, US).

All statistical comparisons were performed using the GraphPad Prism 6 (GraphPad Software, San Diego, California, USA).

All statistical comparisons were performed using the GraphPad Prism Software, and two-tailed P values <0.05 were considered significant.

All statistical comparisons were performed using nonparametric Mann Whitney t-test.

All statistical comparisons were performed using Prism 6 (GraphPad).

All statistical comparisons were performed using SPSS software version 13.0 (SPSS Inc., Chicago, IL, USA).

All other statistical comparisons were performed using SAS/BASE and SAS/STAT software for Windows (V.9.3).

Statistical comparisons were performed using SigmaStat software.

Statistical comparisons were performed using the Student's t test.

Where indicated, statistical comparisons were performed using GraphPad Prism5 software.

Statistical comparisons were performed using Student's unpaired t-test.