Table 1. Relationship between clinicopathological features and lncRNA-CCHE1 expression in PTC.
| Factors | Number | LncRNA-CCHE1 expression | P value | |
|---|---|---|---|---|
| High | Low | |||
| Total | 51 | 26 | 25 | |
| Gender | 0.948 | |||
| Male | 9 | 4 | 5 | |
| Female | 42 | 22 | 20 | |
| Age (years) | 0.378 | |||
| <55 | 38 | 18 | 20 | |
| ≥55 | 13 | 8 | 5 | |
| Tumor size (cm) | 0.488 | |||
| <1 | 24 | 11 | 13 | |
| ≥1 | 27 | 15 | 12 | |
| Tumor number | 0.025* | |||
| Solitary | 33 | 13 | 20 | |
| Multiple | 18 | 13 | 5 | |
| Extrathyroidal extension | 0.017* | |||
| Negative | 24 | 8 | 16 | |
| Positive | 27 | 18 | 9 | |
| Lymph nodes metastasis | 0.492 | |||
| Negative | 22 | 10 | 12 | |
| Positive | 29 | 16 | 13 | |
| TNM stage | 0.043* | |||
| I | 41 | 18 | 23 | |
| II–III | 10 | 8 | 2 | |
| BrafV600E | 0.061 | |||
| (−) | 9 | 2 | 7 | |
| (+) | 42 | 24 | 18 | |
*, statistically significant (P<0.05). PTC, papillary thyroid carcinoma; lncRNA-CCHE1, cervical carcinoma high-expressed long non-coding RNA 1; TNM, tumor, node, metastasis.