Biostatistics Tools
Practical, research-purpose biostatistics pre-assessment tools for researchers.
Diagnostic Test Performance Calculator
Computes sensitivity, specificity, PPV, NPV and likelihood ratios from TP, FP, TN, FN.
Open ToolOR / RR / NNT Calculator
Computes odds ratio, relative risk, risk difference and NNT/NNH from a 2x2 table.
Open ToolYouden Index / Cut-off Assessment
Provides the Youden Index and balanced-accuracy interpretation for a given sensitivity and specificity.
Open ToolDrop-out Adjusted Sample Size Calculator
Inflates a pre-calculated sample size for the expected drop-out rate.
Open ToolManuscript / Thesis Readiness Assessment
A short checklist that pre-assesses your study’s publication readiness.
Open ToolSTROBE / CONSORT / PRISMA Checklist Tool
Assesses reporting readiness with summarized checklist items based on study type.
Open ToolThese tools are for research and preliminary assessment only; they are not intended for diagnosis, treatment or clinical decision-making.