Table 1.
Association between NNT-AS1 expression and clinicopathological characteristics of CCA
| No. of patients (n) | NNT-AS1 expression | p-value | ||
|---|---|---|---|---|
| High (n) | Low (n) | |||
| Gender | ||||
| Male | 23 | 13 | 10 | 0.9710 |
| Female | 25 | 14 | 11 | |
| Age in years | ||||
| <60 | 26 | 16 | 10 | 0.4223 |
| ≥60 | 22 | 11 | 11 | |
| Tumor location | ||||
| Intrahepatic | 9 | 6 | 3 | 0.3313 |
| Extrahepatic | 39 | 21 | 18 | |
| Tumor size | ||||
| <3 cm | 29 | 13 | 16 | 0.0359* |
| ≥3 cm | 19 | 14 | 5 | |
| Lymph node invasion | ||||
| Present | 27 | 19 | 8 | 0.0253* |
| Absent | 21 | 8 | 13 | |
| TNM stage | ||||
| I-II | 15 | 4 | 11 | 0.0053* |
| III-IV | 33 | 23 | 10 | |
| Differentiation grade | ||||
| Well/moderately | 16 | 8 | 8 | 0.5371 |
| Poorly/undifferentiated | 32 | 19 | 13 | |
| Postoperative recurrence | ||||
| Present | 36 | 24 | 12 | 0.0117* |
| Absent | 12 | 3 | 9 | |
Note: *p<0.05.