* Vovk-Sellke Maximum p -Ratio: Based on the p -value, the maximum possible odds in favor of H₁ over H₀ equals 1/(–e p log(p)) for p ≤ .37 (Sellke, Bayarri, & Berger, 2001).

Disclaimer / Legal Notice:
This online calculator has been developed solely for academic and research purposes and is based on retrospective data analysis. It is intended to serve as a prototype risk estimation tool for in-hospital mortality prediction in seawater drowning patients, using two clinical variables (serum sodium and SpO₂) available at the time of emergency department admission.

This tool is not a certified medical device and should not be used as a substitute for professional medical judgment, clinical experience, or institutional protocols. The results generated by this calculator are for informational purposes only and are not intended for clinical decision-making, diagnosis, or treatment.

Neither the authors nor any affiliated institution assume any legal responsibility or liability for decisions made based on the use of this calculator. Users are advised to consult qualified healthcare professionals before acting on any information derived from this tool.