How to convert median to hazard ratio and CI 95%?

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Oyekola Oluyimika Oloyede

See this article

Article Hazard Ratio in Clinical Trials

Joe Stanek

Assuming an exponential distribution the Hazard rate (H) is related to the median survival time (MST) by the following:

H = ln(2)/MST

If you can calculate the hazard rate in each group, hazard ratios can be then obtained by taking the ratio of them.

Louai Alsaloumi

Thank you so much

From where i can get M,T and S?