Incidence of TβR II mutation, hMLH1 expression in 3 different hMLH1 methylated groups (frequency)
| hMLHl methylation | Sample No. | TβR II mutation | Reduced hMLHl expression | MSI | MSI-H |
| Positive | 17 | 5 (29.4%) | 16(94.1%) | 17(100%) | 8(47.1%) |
| Negative | 84 | 0 (0%) | 1 (1.2%) | 5 (6.0%) | 0 (0%) |
| P value | - | <0.05 | <0.05 | <0.05 | <0.05 |