A cohort study follows 82 year old adults with severe aortic stenosis to estimate time to hospitalization for heart failure. Many participants die from noncardiac causes before they could ever experience heart failure hospitalization. Which concept most directly explains why ordinary survival methods may overestimate the cumulative incidence of hospitalization if these deaths are ignored?
- A)Confounding by indication
- B)Recall bias
- C)Lead time bias
- D)Berkson bias
- E)Competing risksGABARITO
Explicação
Competing risks are events that prevent the outcome of interest from ever occurring. In very elderly patients, death from another cause competes with future heart failure hospitalization. If such deaths are treated simply as ordinary censoring, the cumulative ... Ver explicação completa e trilha adaptativa →