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Table 1 Presentation of colorectal cancer by age categories

From: Impact of age on outcome after colorectal cancer surgery in the elderly - a developing country perspective

Variables Age ≥ 70
N = 56
n(%)
Age < 70
N = 215
n(%)
P value
Mean age, yr (range) 75.6 (70 - 88) 50.1 (15 - 69) < 0.001
Gender    0.207
   Male 41 (73.2) 136 (63.3)  
   Female 15 (26.8) 79 (36.7)  
Site of Tumor    0.207
   Rectum 15 (26.8) 81 (37.7)  
   Colon    
Sigmoid 23 (41) 36 (16.7)  
Descending 1 (1.8) 17 (7.9)  
Left angle 1 (1.8) 7 (3.3)  
Transverse 1 (1.8) 8 (3.7)  
Right angle 0 8 (3.7)  
Ascending 15 (26.8) 58 (27)  
Type of Tumor    -
   Adenocarcinoma 56 (100) 209 (97.2)  
   Squamous 0 3 (1.4)  
   Melanoma 0 3 (1.4)  
Grade of Tumor    0.061
   Well differentiated 8 (15.4) 36 (16.7)  
   Moderately differentiated 45 (80.4) 140 (65.1)  
   Poorly differentiated 2 (3.6) 33 (15.3)  
Stage of Tumor    0.262
   I 15 (26.8) 26 (12.1)  
   II 15 (26.8) 76 (35.3)  
   III 20 (35.8) 96 (44.7)  
   IV 4 (7.1) 10 (4.7)  
   Not determinable 2 (3.5) 7 (3.2)