Table 1.
SALL1 Gene Methylation Status in Primary Samples of HNSCC in 205 patients
| Patient and tumorcharacteristics (n=205) | Methylation | P-value† | |
|---|---|---|---|
| Present (n=74) | Absent (n=131) | ||
| Age | |||
| 70 and older (67) | 24 | 43 | |
| Under 70 (138) | 50 | 88 | 1 |
| Gender | |||
| Male (175) | 62 | 113 | |
| Female (30) | 12 | 18 | 1 |
| Smoking status | |||
| Smoker (157) | 55 | 102 | |
| Nonsmoker (48) | 19 | 29 | 1 |
| Alcohol intake | |||
| Ever (149) | 55 | 94 | |
| Never (56) | 19 | 37 | 0.746 |
| Tumor size | |||
| T1, 2 (98) | 37 | 61 | |
| T3, 4 (107) | 37 | 70 | 1 |
| Lympho-node status | |||
| N0 (86) | 32 | 54 | |
| N+ (119) | 42 | 77 | 1 |
| Stage | |||
| I, II, III (89) | 32 | 57 | |
| IV (116) | 42 | 74 | 1 |
| Recurrence events | |||
| Positive (85) | 43 | 42 | |
| Negative (120) | 31 | 89 | < 0.001* |
†Fisher's exact probability test.
* P < 0.05.