Table 1.
Relationship between miR-21 level and clinicopathologic characteristics in ESCC patients
| Clinicopathologic characteristics | Number of cases | MiR-21 expression | P | |
|---|---|---|---|---|
| Low-miR-21 (n = 20) | High-miR-21 (n = 43) | |||
| Age | ||||
| ≥ 60 | 45 | 11 | 28 | 0.213 |
| < 60 | 18 | 9 | 15 | |
| Gender | ||||
| Male | 34 | 12 | 22 | 0.303 |
| Female | 29 | 8 | 21 | |
| Size of primary tumor | ||||
| < 5 cm | 29 | 9 | 20 | 0.538 |
| ≥ 5 cm | 34 | 11 | 23 | |
| Tumor differentiation | ||||
| Highly differentiated | 26 | 7 | 19 | 0.472 |
| Moderately differentiated | 26 | 7 | 19 | |
| Low differentiated | 11 | 6 | 5 | |
| TNM stages | ||||
| I + II | 29 | 16 | 13 | 0.004 |
| III + IV | 34 | 4 | 30 | |
TNM tumour, node and metastasis