Table 1. Demographic and clinical characteristics of the participants.
| Characteristics | Discovery cohort | Validation cohort | ||||
|---|---|---|---|---|---|---|
| CRC patients | Controls | P-value | CRC patients | Controls | P-value | |
| Participants numbers | 100 | 100 | - | 91 | 91 | - |
| Age (years) | 63.65±11.61 | 61.36±8.30 | 0.110 | 63.03±12.72 | 62.35±12.03 | 0.771 |
| Gender (male/female) | 57/43 | 57/43 | 1.000 | 50/41 | 50/41 | 1.000 |
| TNM stage | ||||||
| I (%) | 3 (3.0%) | - | - | 5 (5.5%) | - | - |
| II (%) | 12 (12.0%) | - | - | 9 (9.9%) | - | - |
| III (%) | 58 (58.0%) | - | - | 29 (31.9%) | - | - |
| IV (%) | 27(27.0%) | - | - | 48 (52.7%) | - | - |
Student t test for age and chi-square test for gender. P-value lower than 0.05 was considered statistically significant.