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Table 1 Detailed description of demographics, tumor localization, histological differentiation, and N status of all cases in this series

From: Management of locally advanced laryngeal cancer

Parameter

Characteristic

Total number (cases)

Relative frequency (%)

Sex

Male

354

92.2

 

Female

30

7.8

Age (grouped)

≤59

194

50.5

 

>59

190

49.5

Smoking status

Smokers

264

68.8

 

Ex-smokers

81

21.1

 

Non-smokers

39

10.1

 

n.a.

384

 

Tumor localization

Supraglottic

208

54.2

 

Glottic

142

37.0

 

Subglottic

15

3.9

 

Not specified

19

4.9

Histological differentiation

G1

26

6.8

G2

232

60.4

G1/2

258

67.2

 

G3

88

22.9

G4

15

3.9

G3/4

103

26.8

 

Unknown

23

6.0

Total N

N0

188

49.0

 

N1

29

7.6

 

N2a

7

1.8

 

N2b

50

13.0

 

N2c

75

19.5

 

N3

35

9.1