Mean ± s.d. or median and range were used whichever were appropriate. Continuous variables were between two groups compared with unpaired t-test when values (normally distributed) or Mann–Whitney rank-sum test, and between three groups with one-way ANOVA (normal distributions) with post hoc Holm–Sidak test or with ANOVA on ranks test and post hoc Dunn’s test. In frequency table calculations, chi-square or Fisher’s exact test was used whichever was appropriate. All proportions were calculated discounting missing values. Correlations between variables were assessed using linear regression analysis. Statistical significance was set at P < 0.05. SigmaStat 3.0 for Windows (Systat Software, San Jose, California) was used for all analysis.
Sigmastat 3.0 for windows
Manufactured by Grafiti LLC
Sourced in United States
SigmaStat 3.0 for Windows is a statistical analysis software package. It provides tools for data analysis and hypothesis testing. The software can perform a variety of statistical tests and generate graphical representations of data.
Automatically generated - may contain errors
Lab products found in correlation
6 protocols using sigmastat 3.0 for windows
1
Statistical Methods for Comparing Groups
2
Adrenal Metastases Correlation Study
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Results were calculated after pooling the results of all studies. Results are presented as the mean ± standard deviation (SD) or median and interquartile range (IQR) whichever was appropriate. Linear regression was used to evaluate the correlation between the size of adrenal metastases and cortisol and ACTH concentrations, respectively. Statistical significance was defined as P < 0.05. SigmaStat 3.0 for Windows (Systat Software Inc., San Jose, California) was used for all analysis.
3
Comparative Analysis of Treatment Outcomes
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Mean ± SD was used for continuous variables since all data were normally distributed. Comparisons were performed using Student’s t test for continuous and Fisher’s exact test or odds ratio (OR) calculations with 95% confidence interval (CI) for categorical variables. A P value < 0.05 was considered statistically significant. SigmaStat 3.0 for Windows (Systat Software Inc., San Jose, California) was used for all calculations.
4
Statistical Analysis of Biological Data
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If normally distributed, mean ± SD was used; otherwise, median and interquartile range (25% to 75%) was used. Continuous variables and two groups were analyzed with the unpaired t test if normally distributed or otherwise Mann–Whitney rank-sum test. The χ2 or Fisher exact test were used in frequency table calculation. A P value <0.05 was considered significant. SigmaStat 3.0 for Windows (Systat Software Inc., San Jose, CA) was used for all computations.
5
Statistical Analysis of Experimental Data
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Mean ± SD (if normally distributed) or median and interquartile range (25–75%) were used. Two groups and continuous variables were compared with unpaired t-test (normally distributed) or Mann–Whitney rank-sum test, and three groups with one-way ANOVA (normal distributions) or with ANOVA on ranks test. In frequency table calculations, Chi-square or Fisher’s exact test were used, whichever was appropriate. Correlations were calculated using linear regression analysis. A P value <0.05 was considered significant. SigmaStat 3.0 for Windows (Systat Software Inc., San Jose, California) was used for all calculations.
6
Statistical Analysis of Experimental Data
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Data were analyzed by one-way statistical analysis of variance. Pair-wise comparisons were made using the Holm-Sidak, Dunn’s method, or Student’s t-test. All statistical tests were performed using SigmaStat 3.0 for Windows (Systat Software, San Jose, CA, USA) or GraphPad Prism v5.0 (La Jolla, CA, USA). All plots were generated in Excel (Microsoft, Redmond, WA, USA) or GraphPad Prism v5.0.
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