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Table 2 Clinicopathological variables between the less than 40 years group and the more than 40 years group

From: The role of primary surgical treatment in young patients with squamous cell carcinoma of the larynx: a 20-year review of 34 cases

Variables No. of patients p
Age (years) <40 ≥40  
Alcohol consumption    
 Current or former 20 (58.82 %) 260 (69.52 %) 0.198
 Never 14 (41.18 %) 114 (30.48 %)  
Smoking    
 Current or former 20 (58.82 %) 287 (76.74 %) 0.020
 Never 14 (41.18 %) 87 (23.26 %)  
Tumor location    
 Larynx glottic 22 (64.71 %) 278 (74.33 %) 0.223
 Larynx non-glottic 12 (35.29 %) 96 (25.67 %)  
Histological differentiation    
 Well and moderate 24 (70.59 %) 301 (80.48 %) 0.170
 Poor 10 (29.41 %) 73 (19.52 %)  
Tumor size    
 Less than 3 cm 25 (73.53 %) 276 (73.80 %) 0.973
 More than 3 cm 9 (26.47 %) 98 (26.20 %)  
Node involvement    
 Yes 6 (17.65 %) 76 (20.32 %) 0.710
 No 28 (82.35 %) 298 (79.68 %)  
Stage    
 I + II 21 (61.76 %) 247 (66.04 %) 0.615
 III + V 13 (38.24 %) 127 (33.96 %)  
5-year survival    
 Alive 23 (67.65 %) 248 (66.31 %) 0.874
 Dead 11 (32.35 %) 126 (33.69 %)  
  1. p value is the result of chi-square test in the same factor, and p < 0.05 is considered statistically significant