Table 2 Factors associated with radioactive iodine treatment failure using logistic regression analysis
From: Prospective study to evaluate radioactive iodine of 20 mCi vs 10–15 mCi in Graves’ disease
Remission | Failure | P | |
|---|---|---|---|
Age (year) | 45.3 ± 14.8 | 43.8 ± 13.5 | 0.49 |
Sex (female/male) | 122/40 | 38/19 | 0.2 |
BMI (kg/m2) | 24.5 ± 5.1 | 23.6 ± 4.3 | 0.26 |
MMI dose (mg) | 7.5 (5–10) | 10 (2.5–15) | 0.74 |
MMI duration (months) | 27 (7.8–42.2) | 25 (6.5–60) | 0.22 |
Ophthalmopathy (n) | 17/162 | 11/57 | 0.09 |
Thyroid size (grams) | 49.4 ± 21.9 | 60.1 ± 22.3 | 0.002* |
TSH (uIU/mL) | 0.008 (0.005–0.16) | 0.008 (0.005–0.9) | 0.35 |
Free T3 (ng/dL) | 4.7 (3.4–8.7) | 4.5 (2.9–8.2) | 0.71 |
Free T4 (nd/dL) | 1.7 (1.2–2.6) | 1.5 (1–2.3) | 0.66 |