uSTAT — Statistical Analysis Platform

Free, browser-based SPSS alternative for clinicians and researchers.

What is uSTAT?

uSTAT is a free statistical analysis platform that runs entirely in your browser. Upload CSV, Excel, SPSS, SAS, or Stata files and run the same analyses you would in SPSS, R, or Stata — without any installation.

Features

• Descriptive statistics — Mean, median, IQR, normality tests, Q-Q plots
• Hypothesis tests — t-test, ANOVA, Mann-Whitney, Kruskal-Wallis, chi-square, Fisher's exact
• Correlation — Pearson, Spearman, Kendall with significance matrix
• ROC curves — AUC, sensitivity/specificity, Youden index, comparing curves
• Regression models — Linear, logistic, Poisson, polynomial, mixed effects
• Survival analysis — Kaplan-Meier, Cox proportional hazards, Fine-Gray competing risks, landmark
• Table 1 — Publication-ready baseline characteristics with SMD
• Propensity score matching — Balance diagnostics, treatment effect estimation
• Power analysis — Sample size calculation, effect size estimation
• Missing data — MICE multiple imputation

Privacy

Your file is sent to our server only to be parsed and held in memory for the duration of your session. It is never written to disk and is automatically cleared from memory 30 minutes after you stop using the app. No account, no logs of your data, no permanent storage.

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