210-211 / 1676
Independent variables
One factor model
1
Multi- factor model
2
Wilks' Lambda
p-value
Wilks' Lambda
p-value
RTOG late toxicity
RTOG
xerostomia
0.897
p<0.001
0.948
p=0.003
RTOG
mucosal
0.923
p=0.019
0.965
ns
RTOG
swallowing
0.798
p<0.001
0.859
p<0.001
RTOG
subcutanuous
0.922
p=0.018
0.974
ns
RTOG
larynx
0.934
ns
0.971
ns
RTOG
skin
0.956
ns
0.984
ns
Other variables
Sex
0.973
ns
0.973
ns
Age
0.950
p<0.001
0.940
p=0.001
UICC stage
0.956
ns
0.983
ns
Primary tumor site
0.915
p=0.022
0.969
ns
Treatment modality
0.965
ns
0.945
p=0.002
Langendijk et al. J Clin Oncol 2008;26:3770-3776
Clinical relevance