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Reliability of radiobiological evaluation
•
Solution 2: multivariate regression modeling
J El Naqa et al. Multivariable modeling of radiotherapy outcomes, including dose-volume and
clinical factors. Int J Radiat Oncol Biol Phys. 64, (4), 1275–1286, 2006.
Stim6rel
Age
Gender
Ethnicity
Startdate
Technique
Treat aim
KPS
Chemo
AJCC
Tx duration
Histology
Tum subsite
MdoseExp
Stim6rel
Age
Gender
Ethnicity
Startdate
Technique
Treat aim
KPS
Chemo
AJCC
Tx duration
Histology
Tum subsite
MdoseExp
0
0.5
1.0
Creation of a correlation
matrix to establish the
relationships among
different analyzed factors