Detection method for DNA methylation | Treatment line | Patient number | DNA methylation status | Response rate (%) | P value | PFS (M) | P value | OS (M) | P value | Multivariate analyses for PFS and OS |
---|---|---|---|---|---|---|---|---|---|---|
references | ||||||||||
Bead Chip method | 3rd-line | 97 | HMCC | 3.7 | 0.01 | 2.3 | <0.001 | 8.5 | <0.001 | Independent predictive factor |
LMCC | 37.9 | 6.6 | 20.9 | 5 | ||||||
1st -line | 169 | HMCC | 53.3 | 0.017 | 5.7 | 0.004 | 31.1 | 0.019 | Independent predictive factor | |
LMCC | 81.8 | 13.1 | 51.4 | 6 | ||||||
EpiLight method | 3rd-line | 101 | HMCC | 4.2 | <0.001 | 2.5 | <0.001 | 6.6 | <0.001 | Independent predictive factor |
LMCC | 33.3 | 5.6 | 11.8 | 7 | ||||||
2nd-line | 112 | HMCC | 0 | 0.02 | 1.4 | <0.001 | 6.0 | 0.11* | Independent predictive factor | |
LMCC | 26.6 | 4.1 | 11.8 | 8 | ||||||
1st -line | 137 | HMCC | 42.9 | 0.128* | 4.0 | <0.001 | 13.6 | <0.001 | Independent predictive factor | |
LMCC | 71.2 | 14.3 | 42.7 | 9 |