Variable

HR (IC 95%)

p-value

Consultation delay (months)

≥12

10.03 (1.64 - 21.18)

0.012*

Lymph node involvement (N)

N3

3.83 (0.88 - 16.62)

0.018*

Stage

IV

24.38 (7.72 - 76.99)

<0.001*