Changed the survival time to be before 14 months and after 3 years
trying to separate the short and long survives
Revert c717db2..5aa2932

This rolls back to commit c717db20a2730f9654bb8a8cf75187b674bfa2fd.
trying again to fixz
Subset the clinical dataframe to remove cases that lie between short and long term survivors
completed analysis using a hard long term short term cutoff