Table 1 Presentation of colorectal cancer by age categories
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) |