Table 1.
Demographic, clinicopathologic features, and treatment in mPTC and mFVPTC
| Patient Demographics | mPTC (22,229) | mFVPTC (8,697) | P-Value |
|---|---|---|---|
| Age at diagnosis (yr ± SD) | 50 ± 14 | 51 ± 14 | <0.01 |
| Age > 45 | 14,086 (63.4) | 5,912 (68.0) | <0.01 |
| Sex | <0.01 | ||
| Male (%) | 4,221 (19.0) | 1,487 (17.1) | -- |
| Female (%) | 18,008 (81.0) | 7,210 (82.9) | -- |
| Ethnicity | |||
| Caucasian (%) | 18,714 (84.2) | 7,405 (85.1) | 0.04 |
| African American (%) | 1,178 (5.3) | 627 (7.2) | <0.01 |
| Others (%) | 2,106 (9.5) | 589 (6.8) | <0.01 |
| Hispanic | 2284 (11.2) | 924 (10.6) | 0.17 |
|
| |||
| Tumor Features | |||
|
| |||
| Tumor size (mm ± SD) | 5.3 ± 3.0 | 5.5 ± 3.0 | <0.01 |
| Minimally invasive | 487 (2.5) | 317 (3.7) | <0.01 |
| Extrathyroidal extension | 1,177 (5.3) | 425 (4.9) | 0.15 |
| Distant metastasis | 103 (0.5) | 41 (0.5) | 0.93 |
| Multifocal tumors | 7,003 (31.7) | 3,065 (35.4) | <0.01 |
|
| |||
| Treatment | |||
|
| |||
| Total thyroidectomy | 16,906 (76.1) | 6,504 (74.8) | 0.02 |