Table 1.
Patient and tumor characteristics
| Characteristic | N = 3071 |
|---|---|
| Age | 18.61 (16.0, 20.5) |
| Gender | |
| Female | 238 (78%) |
| Male | 69 (22%) |
| T Stage | |
| 1 | 175 (58%) |
| 2 | 78 (26%) |
| 3 | 32 (11%) |
| 4 | 19 (6.2%) |
| N Stage | |
| N0 | 123 (40%) |
| N1a | 84 (27%) |
| N1b | 100 (33%) |
| M Stage | |
| 0 | 293 (95%) |
| 1 | 14 (4.5%) |
| Histology | |
| Classical PTC | 160 (52%) |
| FV-PTC | 50 (16%) |
| PTC Unknown | 38 (12%) |
| TCV-PTC | 24 (7.8%) |
| DSV-PTC | 19 (6.2%) |
| Follicular Carcinoma | 8 (2.6%) |
| HCC | 3 (1.0%) |
| Solid/Trabecular PTC | 3 (1.0%) |
| Cribriform-Morular | 2 (0.7%) |
| Any Gross ETE | |
| No | 263 (86%) |
| Yes | 43 (14%) |
| Mitotic Activity | |
| No | 226 (86%) |
| Yes | 38 (14%) |
| Vascular Invasion | |
| No | 203 (74%) |
| Yes | 71 (26%) |
| Extra Nodal Extension | |
| No | 172 (77%) |
| Yes | 51 (23%) |
| Margins | |
| Negative | 227 (83%) |
| Positive | 47 (17%) |
| Multifocality | |
| No | 162 (56%) |
| Yes | 128 (44%) |
1
Median (IQR); n (%)
Missing observations excluded from counts.