Table 4.
Comparison of the incidence of gastric cancer between colorectal cancer patients and screened patients
| Synchronous gastric cancer patients | Gastric cancer patients among screened group | Odds ratio for gastric cancer among screened group | |||
|---|---|---|---|---|---|
| Age (years) | Gastric cancer | All colorectal cancer | Gastric cancer | All screened people | |
| <40 | 0 | 22 | 0 | 4,138 | Invalid value |
| 40 to 44 | 0 | 28 | 1 | 12,659 | Invalid value |
| 45 to 49 | 0 | 29 | 3 | 11,515 | Invalid value |
| 50 to 54 | 0 | 52 | 3 | 11,729 | Invalid value |
| 55 to 59 | 1 | 110 | 9 | 16,087 | 16.37 (2.06, 130.48) |
| 60 to 64 | 7 | 152 | 26 | 34,902 | 64.76 (27.67, 151.57) |
| 65 to 69 | 6 | 198 | 56 | 42,917 | 23.92 (10.18, 56.17) |
| 70 to 74 | 3 | 211 | 62 | 35,615 | 8.41 (2.62, 2701) |
| 75 to 79 | 3 | 152 | 80 | 20,515 | 10.31 (3.15, 33.68) |
| ≥80 | 6 | 157 | 26 | 9,930 | 15.14 (6.14, 37.31) |
| All ages | 26 | 1,111 | 225 | 200,007 | 18.8 (18.6 to 19.0)a |
aage-adjusted.
Values in parentheses are 95% confidence intervals.