Table 1: Clinical conditions, thyroid hormones, and echocardiography parameters at referral.

25th percentile Median75th percentile

Clinical variables
 Age  (years)283342
 BMI (Kg/m2)2222.523
 Disease duration (months)111625
 Heart rate (bpm)108120133
Thyroid hormones
 Free triiodothyronine (T3L) (pg/mL)3.64.86.21
 Total thyroxine (T4) (ng/dL)6.89.312.1
 Thyroid stimulating hormone (TSH) (mU/mL)0.140.0600.08
Echocardiographic parameters
 Left ventricular diastolic diameter (mm) 525356
 Left ventricular systolic diameter (mm)313234
 Left ventricular ejection fraction (%)374548
 Shortening fraction (%)272932
 Telediastolic volume (mL)85100105
 Telesystolic volume (mL)333741
 Pulmonary pressure (mmHg)354356
 Left ventricular mass index (g/m2)474950
 Left ventricular mass (g)777879

Note: normal thyroid hormones levels: T3L 2.50–3.90 pg/mL, T4T 6.09–12.23 ng/dL, and TSH 0.34–5.60 mU/mL, and normal echocardiography parameters: left ventricular diastolic diameter (LVDD) (women 47 mm and men 49 mm), left ventricular ejection fraction (LVEF) (55%), left ventricular end-diastolic volume (LVDV) (women 97 mL and men 102 mL), left ventricular end-systolic volume (LVSD) (women 32 mL and men 34 mL), pulmonary pressure (30 mmHg), and left ventricular mass (women 110 g/m2 and men 134 g/m2).