Table 1 Clinical and pathological characteristics of the BAN MSS colorectal cancers
|  | Overall | Early onset (≤45 years) | Late onset (>45 years) | P value |
|---|---|---|---|---|
| Â | (n = 29) | (n = 13) | (n = 16) | (Early Vs Late) |
Age of Onset - Yr | ||||
 Median | 57 | 35 | 64 | - |
 Range | 25-80 | 25-45 | 51-80 |  |
Sex – No (%) | ||||
 Female | 10 (34.5) | 5 (38.5) | 5 (31.3) | N.S. |
 Male | 19 (65.5) | 8 (61.5) | 11 (68.7) |  |
Site of Cancer – No (%) | ||||
 Right | 6 (20.7) | 0 (0) | 6 (38.5) | 0.021 |
 Left | 23 (79.3) | 13 (100) | 10 (62.5) |  |
Dukes’ Stage – No (%) | ||||
 A | 3 (10.3) | 1 (7.7) | 2 (12.5) | N.S. |
 B | 6 (20.7) | 2 (15.4) | 4 (25) |  |
 C | 19 (65.5) | 10 (76.9) | 9 (56.2) |  |
 D | 1 (3.4) | 0 (0) | 1 (6.3) |  |
Mucin - No (%) | ||||
 No | 20 (69.0) | 7 (53.8) | 13 (81.2) | N.S. |
 Yes | 9 (31.0) | 6 (46.2) | 3 (18.8) |  |
Vascular Invasion - No (%) | ||||
 No | 16 (55.2) | 8 (61.5) | 8 (50) | N.S. |
 Yes | 13 (44.8) | 5 (38.5) | 8 (50) |  |
Differentiation - No (%) | ||||
 Well | 1 (3.4) | 1 (7.7) | 0 (0) | N.S. |
Moderate | 24 (82.8) | 10 (76.9) | 14 (87.5) | Â |
 Poor | 4 (13.8) | 2 (15.4) | 2 (12.5) |  |
Resection Status - No (%) | ||||
 0 | 21 (72.4) | 10 (76.9) | 11 (68.7) | N.S. |
 1 | 7 (24.1) | 3 (23.1) | 4 (25) |  |
 2 | 1 (3.4) | 0 (0) | 1 (6.3) |  |