ATP Barcelona 2017

Deriving NTCP models from dose/outcome data

2

(

) π

x

1

DD t

50 50 ⋅ − = D

−

t

• Probit : Lyman



2

NTCP

dx e

=

γ

2

50

2

π

∞−

• Logistic (log dose ): Niemierko

1

NTCP

=

4   

γ

  

50

D

1

+

D

50