Sentence examples for and statistical analysis were completed using from inspiring English sources

All graphs and statistical analysis were completed using Prism software version 6 (Graph Pad, San Diego, CA, USA).

Statistical analysis was completed using descriptive statistics at an a priori significance level of 0.05.

Statistical analysis was completed using SAS Enterprise Guide for Windows, version 4.3 (SAS Institute Inc. Cary, NC).

Statistical analysis was completed using SPSS 16.0 (SPSS).

Statistical analysis was completed using Microsoft Excel Microsoftt, Redmond, WA).

Statistical analysis was completed using Statistica 6.0 statistical software (StatSoft®, Tulsa, OK), with P≤0.05 as the criterion for statistical significance.

Statistical analysis was completed using the rmeta package of R software.

Statistical analysis was completed using SAS software.

The statistical analysis was completed using Stata 11 software.

Statistical analysis was completed using PASW Statistics 18 (SPSS Inc., Chicago, Illinois).

All statistical analysis was completed using STATA version 10.0.