Research Article

Sociodemographic Predictors of Survival in Differentiated Thyroid Cancer: Results from the SEER Database

Table 6

Treatment effects by location.


SEER registry location
Surgery HR (95% CI)Radioactive iodine

 San Francisco/Oakland0.56 (0.22–1.38)0.90 (0.60–1.35)
 Connecticut0.50 (0.19–1.30)1.02 (0.65–1.59)
 Metropolitan Detroit0.37 (0.08–1.73)0.91 (0.64–1.30)
 Hawaii0.02 (0.002–0.19)0.63 (0.40–1.01)
 Iowa0.03 (0.01–0.17)0.76 (0.51–1.13)
 New Mexico4.15 (0.22–78.8)1.38 (0.73–2.59)
 Seattle (Puget Sound)0.18 (0.04–0.83)0.89 (0.59–1.35)
 Utah0.04 (0.01–0.16)1.22 (0.65–2.28)
 Metropolitan Atlanta0.55 (0.10–3.15)0.84 (0.50–1.42)
 Alaska
 San Jose/Monterey0.15 (0.01–1.45)0.89 (0.40–1.95)
 Los Angeles0.56 (0.26–1.22)0.64 (0.48–0.84)
 Rural Georgia
 Greater California (excluding above regions)0.22 (0.08–0.63)0.67 (0.39–1.15)
 Kentucky0.72 (0.21–2.42)
 Louisiana0.15 (0.04–0.54)0.73 (0.29–1.81)
 New Jersey0.89 (0.33–2.40)1.24 (0.63–2.44)