Table 4.
Odds ratio for colorectal neoplasia detection among individuals aged 50-59 years compared to those aged 40-49 according to country of origin
| Finding | OR (95%CI) | P value1 |
| Studies of Western origin | ||
| Overall adenomas | 1.7 (1.53-1.88) | < 0.0001 |
| Advanced adenoma | 2.34 (1.95-2.81) | < 0.0001 |
| Cancer | 2.33 (1.45-3.75) | < 0.0001 |
| Studies of Asian origin | ||
| Overall adenomas | 1.99 (1.89-2.09) | < 0.0001 |
| Advanced adenoma | 2.36 (2.05-2.72) | < 0.0001 |
| Cancer | 3.88 (2.41-6.23) | < 0.0001 |
| Total | ||
| Overall adenomas | 1.25 (1.20-1.30) | < 0.0001 |
| Advanced adenoma | 2.65 (2.38-2.94) | < 0.0001 |
| Cancer | 3.39 (2.45-4.68) | < 0.0001 |
1
χ2 statistical comparison of distribution of selected findings.