Table 1 Characteristics of participants in the derivation and validation cohorts.
From: An algorithm to predict advanced proximal colorectal neoplasia in Chinese asymptomatic population
Derivation cohort N = 3,889 | Validation cohort N = 1,944 | p-value | |
|---|---|---|---|
Age (years), mean ± SD | 60.1 ± 6.3 | 60.1 ± 6.2 | 0.775 |
Gender, male, N (%) | 1,814 (46.6) | 912 (46.9) | 0.846 |
Most Advanced Distal Findings, n(%) | 0.725 | ||
No polyp | 2,705 (69.6) | 1,365 (70.2) | |
Hyperplastic | 362 (9.3) | 176 (9.1) | |
Non-advanced Adenoma | 642 (16.5) | 325 (16.7) | |
Advanced Neoplasia | 180 (4.6) | 78 (4.0) |
