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Frequency of vimentin gene methylation in both groups
| Group (n) | Gene extraction source | Methylation, n (%) | Nonmethylation, n (%) |
|---|---|---|---|
| Case (n=49) | Tumor tissue | 32 (65.3) | 17 (34.7) |
| Normal tissue | 5 (10.2) | 44 (89.8) | |
| Stool | 24 (60) | 16 (40) | |
| Control (n=30) | Normal tissue | 2 (6.7) | 28 (93.3) |
| Stool | 0 (0) | 30 (100) |
