ESTRO 2024 - Abstract Book

S1336

Clinical - Head & neck

ESTRO 2024

Age

68 years

69 years

-

Median (range)

(43 to 94yrs)

(51 to 91yrs)

Age

< 70 years

60 (57.1%)

32 (55.2%)

Table 1: Comparison of patient characteristics between radiotherapy dose groups. The p-values for gender, age and history of smoking were calculated with the Chi square test. Tumour staging as per TNM Classification of Malignant Tumours 8th Edition.* p value for stage is calculated with Fisher’s exact test.

0.808

≥ 70 years

45 (42.9%)

26 (44.8%)

History smoking

of

90 (81.8%)

56 (88.9%)

Yes

0.218

20 (18.2%)

7 (11.1%)

No

Stage

Tis

7 (6.4%)

0 (0%)

<0.001*

T1

98 (89.1%)

2 (3.2%)

T2

5 (4.5%)

61 (96.8%)

Follow-up duration

64 months

54 months

-

(3 to 161)

(0 to 160)

Median (range)

Figure 1: Kaplan Meier curve showing DSS. Censor points defined as date last seen alive or death from non-larynx cause.

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