Table 1.
Demographic Data of Participants Including in the Analysis (n=3,364)
| Demographic data | Number | % |
|---|---|---|
| Sex | ||
| Men | 1,798 | 53.5 |
| Women | 1,566 | 46.5 |
| Age at diagnosis | ||
| < 50 years | 785 | 22.1 |
| 50 - 59 years | 813 | 23.7 |
| 60 - 69 years | 955 | 27.8 |
| 70 years and older | 905 | 26.4 |
| Mean(SD) =60.1(13.63) | ||
| Median =61, min =16, max =99 | ||
| Basis of diagnosis | ||
| Histological confirmed | 2,427 | 72.2 |
| Laboratory test confirmed | 17 | 0.5 |
| Endoscopy | 486 | 14.5 |
| Clinical only | 434 | 12.8 |
| Staging | ||
| I | 50 | 1.5 |
| II | 290 | 8.6 |
| III | 380 | 11.3 |
| IV | 851 | 25.3 |
| Unknown stage | 1,793 | 53.3 |