ESTRO 2024 - Abstract Book

S1216

Clinical - Head & neck

ESTRO 2024

Figure 2 Kaplan-Meier curve demonstrating overall survival.

Table 1 Multivariable Cox proportional hazards model for overall survival.

Hazard ratio (95% CI)

p

Age

1.01 (0.99-1.03)

0.58

Pre-treatment BMI

1.01 (0.96-1.06)

0.66

BMI change

0.99 (0.96-1.03)

0.89

ECOG (1 vs. 0)

1.29 (0.88-1.88)

0.19

Primary tumor site

Buccal vs. Tongue

0.70 (0.46-1.09)

0.11

Other subsites vs. Tongue

0.84 (0.53-1.32)

0.45

pT stage (pT3-4 vs. pT1-2)

1.51 (0.95-2.41)

0.08

pN stage (pN2-3 vs. pN0-1)

1.60 (0.99-2.58)

0.05

Depth of invasion

1.00 (0.97-1.02)

0.73

Positive margin (yes. vs. no)

2.21 (1.27-3.88)

0.005