228 / 881
∞−
−
=
t
x
dx e
NTCP
2
2
2
1
π
Deriving NTCP models from dose/outcome data
•
Probit
:
Lyman
•
Logistic
(log
dose
):
Niemierko
50
4
50
1
1
γ
+
=
D
D
NTCP
(
)
π
γ
2
50
50
50
⋅
− =
D
DD t
|
|
228 / 881
∞−
−
=
t
x
dx e
NTCP
2
2
2
1
π
Deriving NTCP models from dose/outcome data
•
Probit
:
Lyman
•
Logistic
(log
dose
):
Niemierko
50
4
50
1
1
γ
+
=
D
D
NTCP
(
)
π
γ
2
50
50
50
⋅
− =
D
DD t