Table 1.
Patient characteristics and clinicopathological factors by let-7 expression
| Variables | Number of patients (%) | let-7b expression | let-7c expression | ||||
|---|---|---|---|---|---|---|---|
| Low | High | P value | Low | High | P value | ||
| Gender | |||||||
| Male | 24 (0.75) | 19 | 5 | 0.3458 | 19 | 5 | 0.8050 |
| Female | 8 (0.25) | 5 | 3 | 6 | 2 | ||
| Age(years) | |||||||
| >65 | 12 (0.37) | 9 | 3 | 1.0000 | 9 | 3 | 0.7405 |
| ≤65 | 20 (0.63) | 15 | 5 | 16 | 4 | ||
| Tumor size(cm) | |||||||
| >4 | 15 (0.47) | 12 | 3 | 0.5395 | 10 | 5 | 0.1408 |
| ≤4 | 17 (0.53) | 12 | 5 | 15 | 2 | ||
| Pathologic stage | |||||||
| pT1 to T2 | 24 (0.75) | 16 | 8 | 0.0593 | 17 | 7 | 0.0840 |
| pT3 to T4 | 8 (0.25) | 8 | 0 | 8 | 0 | ||
| Lymph node involvement | |||||||
| N0 | 31 (0.97) | 23 | 8 | 0.5575 | 24 | 7 | 0.5908 |
| N1 to N2 | 1 (0.03) | 1 | 0 | 1 | 0 | ||
| Grade | |||||||
| I to II | 23 (0.72) | 15 | 8 | 0.0411 | 17 | 6 | 0.3569 |
| III to IV | 9 (0.28) | 9 | 0 | 8 | 1 | ||