S2

Guidance:

Cox proportional hazards model in Excel tutorial

https://help.xlstat.com/customer/en/portal/articles/2062273-cox-proportional-hazards-model-in-excel-tutorial

Kaplan-Meier survival analysis in Excel tutorial

https://help.xlstat.com/customer/en/portal/articles/2062246-kaplan-meier-survival-analysis-in-excel-tutorial?b_id=9283

Run Chi-square and Fisher’s exact tests in Excel

https://help.xlstat.com/customer/portal/articles/2062459?b_id=9283