|
| Intestinal type | Diffuse type |
| Mean age (yr) | 54.1 | 45.2 |
| Younger than 50 yr (%) | 24 | 63.6 |
| Older than 50 yr (%) | 76 | 36.4 |
| Age of peak frequency (yr) | 50 - 59 | 40-49 |
| Peak frequency (%) | 44 | 45.5 |
| Sex-ratio M/F | 2.6:1 | 4.5:1 |