Table 2. Correlations between KCNQ1OT1 expression and clinicopathological parameters of ESCC patients.
| Pathological Parameters | N (%) | KCNQ1OT1 expression | χ2 | p-value | |
|---|---|---|---|---|---|
| High | Low | ||||
| N (%) | 51 (100%) | 26 (51%) | 25 (49%) | ||
| Gender | 0.9544 | 0.3286 | |||
| Male | 32 (62%) | 18 | 14 | ||
| Female | 19 (38%) | 8 | 11 | ||
| Age (years) | 0.6918 | 0.4056 | |||
| <60 | 15 (29%) | 9 | 6 | ||
| ≥60 | 36 (71%) | 17 | 19 | ||
| Tumor size (cm) | 5.9928 | 0.0144* | |||
| <5 | 18 (35%) | 5 | 13 | ||
| ≥5 | 33 (65%) | 21 | 12 | ||
| TNM stage | 4.2384 | 0.0395* | |||
| I+II | 12 (24%) | 3 | 9 | ||
| III+IV | 39 (76%) | 23 | 16 | ||
| Histological grade | 0.4727 | 0.4917 | |||
| Well | 22 (43%) | 10 | 12 | ||
| Poor | 29 (57%) | 16 | 13 | ||
| Lymph node metastasis | 4.4806 | 0.4882 | |||
| Negative | 24 (47%) | 11 | 13 | ||
| Positive | 27 (53%) | 15 | 12 | ||
*p<0.05.