Variable

Frequency (n, %)

Median OS (95% CI) (months)

p-value

Consultation delay (Months)

<3

6 (7.5%)

3 (0.29 - 5.70)

0.005*

[3 - 6]

5 (6.3%)

2.91 (2.39 - 3.13)

[6 - 12]

3 (3.8%)

2.91 (0 - 7.58)

>12

66 (82.5%)

1.25 (0.94 - 1.55)

Diagnosis time (Months)

<1

18 (22.5%)

0.5 (0.03 - 7.99)

0.101

[1 - 2]

39 (48.75%)

1.0 (0.05 - 18.92)

[2 - 4]

22 (27.5%)

1.67 (0.29 - 9.76)

>4

1 (1.25%)

-

Depth of Tumour Invasion

T1

3 (7.1%)

0.25 (0.11 - 0.38)

0.096

T2

22 (27.8%)

1.16 (0.85 - 1.47)

T3

29 (36.7%)

1.66 (0 - 4.57)

T4

25 (32%)

1.58 (0.73 - 4.3)

Lymph node involvement

N1

11 (25%)

0.5 (0 - 1.10)

0.125

N2

28 (63.6%)

1.16 (0.73 - 1.59)

N3

3 (6.81%)

4.25 (0 - 9.85)

Distant Metastasis

M0

44 (55.8%)

1.58 (0.68 - 2.48)

0.002*

M1

30 (38.2%)

1.16 (0.73 - 1.53)

Metastasis location

Absence

30 (37.4%)

1.58 (0.68 - 2.48)

0.002*

Lung

18 (22.5%)

0.25 (0 - 1.13)

Lung. vertebra

5 (6.2%)

-

Spine (cervical)

1 (1.2%)

2.08 - NC

TNM tumour stage

Stage 1

8 (10.0%)

2.66 (2.08 - 3.24)

0.001*

Stage 2

27 (33.8%)

1.66 (1.10 - 2.23)

Stage 3

26 (32.5%)

1.33 (1.12 - 1.54)

Stage 4

19 (23.8%)

0.58 (0 - 1.53)