Supplementary Table 1: Correlation analysis between the biomarkers for each disease sub-site: oropharynx (n=68), larynx (n=30), and all other disease sites (n=11, oral cavity and hypo pharynx combined). Numbers in bold represent significant correlations. Correlation by p16 status could not be performed for the other sub-site category as all samples in this group were p16 negative.

Oropharynx

p16

CD44

C.MET

EGFR

mTOR

CD44 

-0.200 (p=0.102)

 

 

 

C.MET

-0.008 (p=0.946)

-0.049 (p=0.690)

 

 

EGFR 

-0.093 (p=0.449)

-0.160 (p=0.193)

-0.184 (p=0.133)

 

mTOR 

0.009 (p=0.944)

0.350 (p=0.003)

0.161 (p=0.191)

-0.242 (p=0.047)

GLUT1

0.101 (p=0.414)

0.321 (p=0.008)

-0.211 (p=0.083)

0.095 (p=0.442)

0.205 (p=0.093)

Larynx

p16

CD44

C.MET

EGFR

mTOR

CD44 

-0.054 (p=0.775)

 

 

 

C.MET

0.008 (p=0.965)

0.156 (p=0.410)

 

 

EGFR 

-0.025 (p=0.896)

0.088 (p=0.643)

0.017 (p=0.931)

 

mTOR 

-0.154 (p=0.415)

0.471 (p=0.009)

0.169 (p=0.373)

0.012 (p=0.951)

GLUT1

-0.138 (p=0.467)

0.109 (p=0.566)

0.101 (p=0.596)

0.163 (p=0.388)

0.310 (p=0.095)

Other

p16

CD44

C.MET

EGFR

mTOR

CD44 

n/a

 

 

 

C.MET

n/a

-0.165 (p=0.627)

 

 

EGFR 

n/a

0.159 (p=0.640)

0.197 (p=0.562)

 

mTOR 

n/a

0.178 (p=0.600)

0.787 (p=0.004)

0.176 (p=0.604)

GLUT1

n/a

-0.332 (p=0.319)

0.8718 (p=0.0005)

0.233 (p=0.490)

0.771 (p=0.005)