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Demographic characteristics n (%) Gender Male 14 (24.10) Female 44 (75.90) Nationality Saudi 42 (72.40) Non-Saudi 16 (27.60) Age (in years) 12.02 (0.25-18.00)±4.85 Height 146.38±19.43 Weight 46.85±21.23 BMI 20.8±6.02 Symptoms n % Signs n % Neck swelling 35 60.3 Exophthalmos 37 63.8 Palpitation 27 46.6 Palpable goitre 33 60.0 Tremor 17 29.3 Tachycardia 19 32.8 Heat intolerance 13 22.4 Sweating 10 17.2 Irritability 13 22.4 Lid retraction 8 13.8 Weight loss 13 22.4 Altered mental status 4 6.9 Insomnia 11 19.0 Failure to thrive 2 3.4 Diarrhoea 11 19.0 Nervousness 8 13.8 Hyperactivity 7 12.1 Shortness of breath 7 12.1 Increased appetite 4 6.9 Decrease in concentration 3 5.2 Irregular menses/Oligomenorrhea 3 5.2 Eye symptoms (pain, redness, swelling, double vision) 1 1.7 Investigation Median IQR TSH (ulU/mL) 0.010 0.36 FT4 (pmol/L) 24.89 29.50 FT3 (pmol/L) 8.55 12.66 Thyroglobulin (ng/ml) 56.33 275.71 TPO (IU/ML) 600 649.8 IQR - inter-quartile range
Characteristic n (%) Recovery from hyperthyroid state to euthyroid state* Yes 16 27.60 No 11 18.97 Treatment-Induced Hypothyroidism on Levothyroxine Yes 12 20.70 No 46 79.30 Laboratory investigations post-treatment median (IQR) TSH (ulU/mL) 9.68 (12.27) FT4 (pmol/L) 17.21 (13.12) FT3 (pmol/L) 12.38 (16.71) Recovery duration (in months) Mean 15.90 Standard deviation 12.90 Minimum 1.00 Maximum 48.00 ↵* The remaining patients are lost from follow-up data.