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Table 2 Demographics and diagnosis

From: CO2 laser versus cold steel margin analysis following endoscopic excision of glottic cancer

Variable

Laser

Steel

Total

p-value

Age

   

0.548

   Mean

65.2

67.4

66.3

 

   Range

-

-

34-87

 

   SD

11.5

12.7

12.0

 

Gender

   

1.0

   Male

20

19

39

 

   Female

3

3

6

 

Diagnosis

   

0.463

a) Premalignant

    

   Moderate dysplasia

0

2

2

 

   Severe dysplasia/CIS

6

3

9

 

b) Invasive SCC

    

   Well differentiated

2

2

4

 

   Moderately differentiated

12

14

26

 

   Poorly differentiated

3

1

4