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Table 1 Clinicopathologic features of Squamous cell carcinoma head and neck (n = 144)

From: Immunohistochemical over expression of p53 in head and neck Squamous cell carcinoma: clinical and prognostic significance

Characteristic Frequency Percentage (%)
Age (years)a 51.28 ± 12.14  
Age groups (years)
 ≤ 30 6 4.2
 31–50 72 50
 > 50 66 45.8
Gender
 Male 106 73.6
 Female 38 26.4
Histological subtypes
 Non-keratinizing 20 13.9
 Keratinizing 85 59
 Non-keratinizing with maturation 39 27.1
Histologic grade
 Grade-I 39 27.1
 Grade-II 89 61.8
 Grade-III 16 11.1
Location of tumor
 Oral cavity 96 66.7
 Lip 3 2.1
 Tongue 39 27.1
 Soft palate 6 4.2
 Tumor size (cm)a 3.26 ± 1.67  
Tumor stage
 T1 35 24.3
 T2 72 50
 T3/T4 37 25.7
 Tumor depth (cm)a 1.14 ± 0.78  
Depth of invasion (cm)
 < 2 121 84
 ≥ 2 23 16
Nodal stage
 N0 76 52.8
 N1 20 13.9
 N2a 0 0
 N2b 43 29.9
 N2c 4 2.8
 N3 1 0.7
Extra nodal extension
 Not present 109 75.7
 Present 35 24.3
Lymphovascular invasion
 Not present 142 98.6
 Present 2 1.4
Perineural invasion
 Not present 124 86.1
 Present 20 13.9
Radiation (n = 86)
 Yes 35 60.3
 No 23 39.7
Chemotherapy (n = 86)
 Yes 34 58.6
 No 24 41.4
Recurrence (n = 86)
 Yes 33 56.9
 No 25 43.1
History of pan (n = 57)
 Yes 34 59.6
 No 23 40.4
History of smoking (n = 57)
 Yes 4 7
 No 53 93
History of alcohol (n = 57)
 Yes 1 1.8
 No 56 98.2
  1. aMean ± SD