MedCalc

MedCalc is a user-friendly, fast and reliable statistical software which is easy to learn, one edition includes all features and with more than 200 statistical tests, procedures and graphs.It is the reference software for ROC curve analysis, method comparison and method evaluation including Bland & Altman plot, Passing & Bablok, and Deming regression, reference intervals, meta-analysis.It is available with an English, Chinese (simplified and traditional), French, German, Italian, Japanese, Korean, Polish, Portuguese (Brazilian), Russian and Spanish user-interface (help file and documentation in English) and compatible with all contemporary Windows desktop editions.

Data management provides Integrated spreadsheet with 16384 columns and up to 100000 rows,Correct handling of missing data.Outliers can easily be excluded, Built-in WYSIWYG text editor.Imports Excel, Excel 2007, SPSS, DBase and Lotus files, and files in SYLK, DIF or plain text format.Easy selection of subgroups for statistical analysis.

ROC curve analysis provides Area under the curve (AUC) with standard error, 95% confidence interval, P-value. Offers choice between methodology of DeLong et al. (1988) and Hanley & McNeil (1982, 1983). List of sensitivity, specificity, likelihood ratios, and positive and negative predictive values for all possible threshold values.

ROC curve graph with 95% Confidence Bounds.Threshold values can be selected in an interactive dot diagram with automatic calculation of corresponding sensitivity and specificity.