From: Dynamic updating of clinical survival prediction models in a changing environment
Group | Description | Scenario name |
---|---|---|
Reference scenario | ||
Constant baseline hazard; event rate 5% per year | Constant events | |
Scenarios with calibration drift | ||
Decreasing baseline hazard; event rate decreased from 5% per year in the first period to 2% in the last period | Decreasing events | |
Increasing baseline hazard; event rate increased from 5% per year in the first period to 8% in the last period | Increasing events | |
Scenario with rare predictor | ||
Rare risk factor for an event found in 1% of people over age 55 | Rare-1% | |
Scenarios with new predictors | ||
Treatment introduced in Q2, made available by age group | New treatment | |
Treatment introduced in Q2, made available by age group and to those with a comorbidity (5% of population) | New treatment + comorbidity |