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Correlation of SFRP1 expression with SFRP1 hyperme-thylation and clinical pathologic patient data
| Variable | Categorisation | n | SFRP1 (-) | P |
| Sex | Male | 34 | 11 | 0.24 |
| Female | 18 | 6 | ||
| Age at diagnosis | > 50 | 30 | 12 | 0.10 |
| (yr) | ≤ 50 | 22 | 5 | |
| Tumor stage1 | T1 + T2 | 25 | 4 | 0.01 |
| T3 + T4 | 27 | 13 | ||
| Lymph node status | N0 + N1 | 36 | 8 | 0.02 |
| N2 + N3 | 16 | 9 | ||
| Histological type | Diffused | 31 | 12 | 0.13 |
| Intestinal | 21 | 5 | ||
| Methylation status | Methylated | 28 | 13 | 0.02 |
| Unmethylated | 24 | 4 |
1According to UICC: TNM classification of malignant tumors.
