Table 1. Correlation between SOX9 expression and clinicopathologic characteristics of ESCC.
| Characteristic | SOX9 | Chi-square test P-value | ||
|---|---|---|---|---|
| Low No. cases (%) | High No. cases (%) | |||
| Gender | Male | 54 (34.8) | 62 (40.0) | 0.105 |
| Female | 24 (15.5) | 15 (9.7) | ||
| Age (years) | ≦57 | 41 (26.5) | 39 (25.1) | 0.811 |
| >57 | 37 (23.9) | 38 (24.5) | ||
| Clinical stage | I | 7 (4.5) | 0 (0) | <0.001 |
| II | 64 (41.3) | 21 (13.6) | ||
| III | 7 (4.5) | 49 (31.6) | ||
| IV | 0 (0) | 7 (4.5) | ||
| T classification | T1 | 8 (5.2) | 1 (0.7) | 0.001 |
| T2 | 27 (17.4) | 11 (7.1) | ||
| T3 | 39 (25.2) | 56 (36.1) | ||
| T4 | 4 (2.6) | 9 (5.8) | ||
| N classification | N0 | 67 (43.2) | 18 (11.6) | <0.001 |
| N1 | 11 (7.1) | 59 (38.1) | ||
| M classification | M0 | 78 (50.3) | 70 (45.2) | 0.006 |
| M1 | 0 (0) | 7 (4.5) | ||
| Differentiation | Well | 44 (28.4) | 26 (16.8) | 0.017 |
| Moderate | 23 (14.8) | 33 (21.3) | ||
| Poor | 11 (7.1) | 18 (11.6) | ||
| Survival status | Alive | 31 (20.0) | 10 (6.5) | <0.001 |
| Death | 47 (30.3) | 67 (43.2) | ||