Table 2.
Association between apoptosis and clinicopathological characteristics of PTCs.
| Apoptosis with ciliary loss | P value | ||
|---|---|---|---|
| Negative | Positive | ||
| N (total = 80) | 33 | 47 | |
| Age at diagnosis (years) | 45.1 ± 11.2 | 45.6 ± 9.7 | 0.415 |
| Histological subtype | |||
| PTC-conv | 31 (38.8%) | 4 (5.0%) | < 0.001 |
| PTCov | 2 (2.5%) | 12 (15.0%) | 0.024 |
| PTC-HT | 0 (0.0%) | 31 (38.8%) | < 0.001 |
| Tumor size (cm) | 1.54 ± 0.99 | 1.48 ± 0.95 | 0.420 |
| Multiplicity | 10 (12.5%) | 9 (11.3%) | 0.306 |
| Bilaterality | 8 (10.0%) | 7 (8.8%) | 0.346 |
| Extrathyroidal invasion | 24 (30.1%) | 21 (26.3%) | 0.044 |
| TNM stage | 0.544 | ||
| I | 29 (36.3%) | 39 (48.7%) | |
| II | 4 (5.0%) | 8 (10.0%) | |
| III | 0 (0.0%) | 0 (0.0%) | |
| IV | 0 (0.0%) | 0 (0.0%) | |
Data represent the mean ± standard deviation.
PTC-conv conventional papillary thyroid carcinoma, PTCov oncocytic variant of PTC, PTC-HT PTC with Hashimoto’s thyroiditis.