Table 1.
Correlation Between Circ_0003998 Expression and the Clinicopathologic Features of These Patients.
| Features | All cases | circ_0003998 expression | P value | |
|---|---|---|---|---|
| Low level (n = 25) | High level (n = 25) | |||
| Gender | ||||
| Male | 37 | 15 | 22 | 0.2888 |
| Female | 13 | 10 | 3 | |
| Ages | ||||
| ≤65 | 42 | 22 | 20 | 0.7019 |
| >65 | 8 | 3 | 5 | |
| Smoking history | ||||
| Yes | 32 | 13 | 19 | 0.1398 |
| No | 18 | 12 | 6 | |
| TNM stage | ||||
| I-II | 28 | 19 | 9 | 0.0096* |
| III-IV | 22 | 6 | 16 | |
| Metastasis | ||||
| M0 | 30 | 10 | 20 | 0.0086* |
| M1 | 20 | 15 | 5 | |
| Lymph Node metastasis | ||||
| N0 | 26 | 17 | 9 | 0.0465* |
| N1 | 24 | 8 | 16 | |
TNM, tumor node metastasis; *P < 0.05 by Chi-square test.