1562-1563 / 1676
Is the signature robust?
what about CT artifacts in H&N?
Without artifacts (N=267)
C-index:
0.634
0
500
1000 1500 2000 2500
0.0
0.2
0.4
0.6
0.8
1.0
*
*
* * ** *
* * ***** * * * ****** * ** * * ****** *
* * **
* * * *** *
*
*
*
* * *
** *
*** ***** * **** **
**** * * *
PMH: no CT artifacts (n=267)
<= Median
> Median
Kaplan-Meier Radiomic Signature
Survival time (days)
Survival probability
0
500
1000 1500 2000 2500
0.0
0.2
0.4
0.6
0.8
1.0
*
* * *
* ** * ** * * ** *
* * * * ** ****** *
** *
*** *** *
*
*
*
****
*
** ******* ** ***** * ** ** * ** ** * *
PMH: artifacts (n=275)
<= Median
> Median
Kaplan-Meier Radiomic Signature
Survival time (days)
Survival probability
< 0.05
< 0.05
With artifacts (N=275)
C-index:
0.647
Leijenaar et al, Acta Oncologica 2015