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Table 3 Factors potentially implicated in response to radioiodine treatment

From: Radioiodine treatment for graves’ disease: a 10-year Australian cohort study

 

Remission (n = 73)

No Remission (n = 19)

P

TSH receptor antibody (IU/L)a

7.2 (4.5–9)

18 (5.4–68)

0.02

Technetium Uptake (%)

4.3 (3.1–5.2)

3.5 (1.8–7.1)

0.35

I131 administered activity (MBq)

500 (500–511)

501 (499–505)

0.58

Duration of medical therapy (months)

21 (12–24)

36 (6–48)

0.31

Duration of disease (years)

3 (2–4)

3 (1–4)

0.88

Pre-Treatment FT4 (pmol/L)

34 (27–39.9)

28.9 (19.6–42)

0.33

  1. Data expressed as median (95% CI)
  2. Remission is defined as hypothyroidism or euthyroidism within 12 months of a single dose RAI
  3. aTSH receptor antibody titre at diagnosis