Table 3.
Clinical and Demographic Features of 259 Differentiated Thyroid Cancer Cases
| Gender | n (%) |
| Female | 198 (76.4) |
| Male | 61 (23.6) |
| Race | n (%) |
| Caucasian | 244 (93.1) |
| Asian | 7 (2.7) |
| African American | 4 (1.9) |
| Other | 4 (2.3) |
| Mean age at diagnosis | 41.0 (range 12–88 years) |
| Histologic subtype (WHO, 2004) | n (%) |
| PTC | |
| Classic type | 144 (55.6) |
| Follicular variant | 34 (13.0) |
| Other varianta | 38 (14.7) |
| FTC | |
| Minimally or widely invasive | 25 (9.7) |
| Oncocytic type | 17 (6.6) |
| Anaplastic | 1 (0.4) |
| Total | 259 (100) |
a
Includes micropapillary carcinoma.
WHO, World Health Organization.