b1-late-arrivals {ctfepi}sealed case file
Late Arrivals
Case B1, The DockworkersCohort Studiesscene 5insane800 pts
Case
The Meridian Harbor Cohort has followed 9,000 dockworkers since 2009. Cardiac deaths are rising, and you rebuild the person time from scratch.
What this scene will ask
Left truncated entry ignored in a survival analysis.
Planned flag: corrected Kaplan-Meier survival at five years with delayed entry, 3 dp; naive survival, 3 dp; number entering after time zero.
Status
[#] Sealed. This scene opens when it is written and passes review. Nothing on CTFEpi expires, so there is no rush.