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. 2021 Mar 4;106(6):e2402–e2412. doi: 10.1210/clinem/dgab139

Table 2.

Physician Characteristics by Physician Propensity to Use Radioactive Iodine (RAI) for Low-Risk Thyroid Cancer (N = 345)

N (%) Would not use RAI
N (%)
Would use RAI
N (%)
P value
Sex 0.109
 Male 242 (70.4) 178 (74.6) 61 (25.4)
 Female 100 (29.6) 82 (82.7) 17 (17.3)
Race 0.537
 White 216 (65.6) 165 (78.0) 47 (22.0)
 Non-White/Multiracial 116 (34.4) 87 (74.9) 29 (25.1)
Ethnicity 0.774
 Hispanic 11 (3.6) 9 (80.0) 2 (20.0)
 Non-Hispanic 304 (96.4) 229 (76.2) 72(23.8)
Years in practice 0.458
 1–9 years 65 (19.3) 54 (82.8) 11 (17.2)
 10–19 years 116 (34.3) 89 (78.2) 25 (21.8)
 20–29 years 95 (28.0) 70 (74.3) 24 (25.7)
 30 or more years 64 (18.4) 45 (71.9) 18 (28.1)
Practice setting <0.001
 Private practice 186 (54.3) 128 (69.6) 56 (30.4)
 Other 159 (45.7) 135 (86.4) 22 (13.6)
Number of patients with thyroid cancer <0.001
 0–20 173 (50.3) 115 (67.6) 55 (32.4)
 21–40 76 (22.2) 61 (79.9) 15 (20.1)
 More than 40 92 (27.5) 84 (91.6) 8 (8.4)
Specialty 0.004
 General Surgery/Otolaryngology 199 (56.1) 139 (71.1) 56 (28.9)
 Endocrinology 146 (43.9) 124 (84.9) 22 (15.1)
Site 0.204
 Georgia 162 (50.1) 119 (74.3) 42 (25.7)
 Los Angeles County 183 (49.9) 144 (80.2) 36 (19.8)