1164 / 1983
Better staging, better treatment
CT alone
PET-CT
Radical RT 146 / 158 (92%) 118 / 152 (72%)
OS @ 2 yrs
39%
47%
Overall survival HR [95% CI]
PET vs. CT
0.8 [0.6 – 1]
IIIB vs. IIIA 1.4 [1.1 – 1.9]
ECOG
1.7 [1.3 – 2.6]
OCOG, Ung ASCO 2011 (abstract 7018)
Number To Image:
5 to avoid 1 futile irradiation
13 to avoid 1 death