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Table 6 Cox proportional hazards model analysis – predictors of euthyreoidism after 12-months observation in GD and TMNG patients

From: Predictors of euthyreosis in hyperthyroid patients treated with radioiodine 131I: a retrospective study

Predictor Graves’ disease patients TMNG patients
p-value HR 95% HR CI p-value HR 95% HR CI
Age [years] 0.102 1.05 1.013 – 1.066 0.195 1.02 0.98–1.05
Thyroid volume [ml] 0.19 1.025 1.004 – 1.029 0.174 1.01 0.99–1.02
Iodine uptake [%] 0.49 0.975 0.94 – 0.99 0.229 0.97 0.94–1.01
fT3 concentration at presentation 0.84 1.051 0.83 – 1.26 0.947 0.99 0.78–1.26
Gender 0.6 1.75 0.49 – 1.86 0.734 0.88 0.42–1.83
Tyrostatic drugs taken 2 weeks before therapy 0.73 1.7 0.32 – 1.54 0.511 0.75 0.32–1.75
  1. HR hazard ratio, CI confidence interval