Comparison of papillary thyroid carcinomas with and without parathyroid involvement among 102 patients with extrathyroid invasion
| Parathyroid involvement | p Value | ||
|---|---|---|---|
| Positive (n = 13) | Negative (n = 89) | ||
| The χ2 test or the Student’s t test was used to calculate the p values (p<0.05 was considered significant). | |||
| *Nodal status was not examined in two cases, and their stages were unavailable for evaluation. | |||
| Mean age (years) | 60.0 | 52.8 | 0.0465 |
| Sex | |||
| Male | 3 | 5 | 0.0287 |
| Female | 10 | 84 | |
| Tumour size (cm) | 2.6 | 2.2 | 0.3043 |
| Multiplicity | |||
| Single | 6 | 18 | 0.0395 |
| Multiple | 7 | 71 | |
| Nodal metastasis* | |||
| Negative | 1 | 16 | 0.3381 |
| Positive | 12 | 71 | |
| Lung metastasis | |||
| Negative | 11 | 88 | 0.0045 |
| Positive | 2 | 1 | |
| Vascular invasion | |||
| Negative | 10 | 83 | 0.0524 |
| Positive | 3 | 6 | |
| Stage* | |||
| I/II | 2 | 39 | 0.0441 |
| III/IV | 11 | 48 | |
| Recurrence | |||
| Negative | 11 | 83 | 0.2789 |
| Positive | 2 | 6 | |
| Surgery | |||
| Lobectomy | 3 | 39 | 0.1557 |
| Thyroidectomy | 10 | 50 | |