Continuous Marker Prognostic Power
User Input
Program Output
Input values in yellow boxes and click button to calculate power:
Number of Simulations
Total Sample Size
Alpha Level
Accrual Period
Follow-up Period
Hazard Rate (marker value = 0)
Effect Size (Hazard Ratio per Unit)
Unit
Interquartile Range (IQR)
Unstandardized Unit
Sided
1
2
Marker Distribution
Uniform
Normal
Log-Normal
Log-Normal Distribution Parameter
Power
Estimated Effect and Simulated 1-Alpha CI
Expected Number of Events in Entire Study
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