Table 1 Characteristics of patients with differentiated thyroid cancer enrolled in this study
+RAI | -RAI | P value | |
|---|---|---|---|
No. of patients, n | 51,212 | 52,814 | |
Patients with SMs, n(%) | 2289(4.5%) | 2339(4.4%) | 0.752 |
Gender | < 0.001 | ||
Female | 38,941 | 42,423 | |
Male | 12,271 | 10,391 | |
Median age at diagnosis of thyroid cancer (IQR), yrs | 46(36–56) | 49(38–59) | < 0.001 |
Race | < 0.001 | ||
White | 41,771 | 42,949 | |
Black | 2944 | 3983 | |
Asian and Pacific Islander | 5825 | 4816 | |
American Indian/Alaska native | 275 | 232 | |
Unknown | 397 | 834 | |
Stage* | < 0.001 | ||
Localized | 29,943(58.5%) | 43,872(83.1%) | |
Regional | 19,304(37.7%) | 6987(13.2%) | |
Distant | 1650(3.2%) | 635(1.2%) | |
Unknown/unstaged | 315(0.6%) | 1320(2.5%) | |
Median follow-up time (IQR), months | 91(57–133) | 85(52–130) | < 0.001 |