Table 2 Multivariable analyses of risk factors for oral cancer recurrence. (N = 173)

Age

≤ 60 years

1

> 60 years

1.22

(0.08–1.56)

Gender

Female

1

Male

2.79

(0.64–12.22)

Cancer location

Lip

1

Hard palate

*

*

Tongue

9.96

(0.86-115.86)

Cheek lining

3.78

(0.12-122.79)

Gums

*

*

Floor of the mouth

7.71

(0.45–131.1)

Soft palate

0.43

(0.01–12.91)

Retromolar space

14.66

(0.58-369.15)

Lymph node

N0

1

N > 1

5.09

(0.37–69.12)

NX

*

*

Stage

1

*

*

2

1

3

0.72

(0.01–36.84)

4

1.11

(0.02–60.25)

Treatment

Surgery

1

CT

0.79

(0.07–9.04)

RT

*

*

Surgery + CT

1.94

(0.35–10.84)

Surgery + RT

11.03

(1.95–62.51)

CT + RT

0.76

(0.07–7.75)

Surgery + CT + RT

22.53

(3.30-153.7)