Quantitative Methods 2017

Step 4: Clinical validation study Calibration: observed vs. predicted

Observed prevalence after SW-IMRT NTCP for SW-IMRT NTCP for standard IMRT (back up plan)

OBERVED after standard IMRT (n=305): 27.9%

22.6%

22,6%

All patients (n=186)

27,5%

20.2%

Low ΔNTCP group (n=99)

21,3%

23,3%

25.3%

High ΔNTCP group (n=87)

24,1%

32,2%

Christianen, et al. in press Radiother Oncol