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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