Fig. 6

Survival analysis on CRC patients in in-house step 3. Kaplan–Meier method and log-rank test were used to compare DSS between CRC patients with high methylation and those with low methylation. a All CRC patients. Stratified and subgroup analyses were performed between the groups stratified by b age, c gender, d tumor location, e TNM stage, and f differentiation. CRC, colorectal cancer; DSS, disease-specific survival