Table 1 Correlation between miR-613 expression level in PTC and clinicopathologic features
| Clinicopathologic features | Cases | miR-613 expression | P value |
|---|---|---|---|
| Gender | |||
| Male | 86 | 1.471 ± 0.188 | 0.415 |
| Female | 21 | 1.304 ± 0.103 | |
| Age | |||
| ≥ 55 | 83 | 1.358 ± 0.101 | 0.583 |
| < 55 | 24 | 1.251 ± 0.207 | |
| Tumor size | |||
| 1–2 cm | 64 | 1.4 ± 0.145 | 0.656 |
| > 2 cm | 43 | 1.329 ± 0.040 | |
| Lymph node metastasis | |||
| Yes | 79 | 0.326 ± 0.040 | 0.01 |
| No | 28 | 1.689 ± 0.057 | |
| Multiplicity | |||
| Yes | 57 | 1.3 ± 0.127 | 0.513 |
| No | 50 | 1.424 ± 0.135 | |
| Extra thyroid invasion | |||
| Yes | 32 | 1.496 ± 0.155 | 0.418 |
| No | 75 | 1.236 ± 0.143 | |