. 2017 Apr 1;27(4):497–505. doi: 10.1089/thy.2016.0343

Table 2.

Preference of Therapy Based on Geographic Location of Patients

Geographic location	ATD	RAI	Surgery	Observation	Total
Midwest^a	93	490	16	39	638
Other 44 states	3	48	2	1	54
Outside the United States	0	5	1	0	6
Total	96^b	543	19	40	698^b

^{^a}

Minnesota, North Dakota, South Dakota, Iowa, Wisconsin, and Michigan.

^{^b}

Twenty-two patients were initiated on ATDs by their physicians outside the Mayo Clinic and hence excluded: 118 – 22 = 96 and 720 – 22 = 698.