Table I.
Association between circNOX4 expression levels and clinicopathological characteristics of patients with colorectal cancer.
| circNOX4 expression | ||||
|---|---|---|---|---|
| Characteristics | n | Low (n=23) | High (n=23) | P-value |
| Sex | 0.7672 | |||
| Female | 21 | 11 | 10 | |
| Male | 25 | 12 | 13 | |
| Age, years | 0.3763 | |||
| ≤60 | 23 | 13 | 10 | |
| >60 | 23 | 10 | 13 | |
| TNM stage | 0.0029a | |||
| I + II | 20 | 15 | 5 | |
| III + IV | 26 | 8 | 18 | |
| Lymphatic metastasis | 0.0032a | |||
| N0/N1 | 22 | 16 | 6 | |
| N2/N3 | 24 | 7 | 17 | |
| Tumor size | 0.0173a | |||
| ≤3 cm | 26 | 17 | 9 | |
| >3 cm | 20 | 6 | 14 | |
| Distant metastasis | 0.0361a | |||
| Negative | 27 | 17 | 10 | |
| Positive | 19 | 6 | 13 | |
a
P<0.05, χ2 test. circNOX4, circular RNA NADPH oxidase 4; TNM, Tumor-Node-Metastasis.