Table 2: Association of disease duration or free triiodothyronine (T3) levels on the myocardium.

  coefficient*95% CI*   value R 2

Disease duration
 Left ventricular diastolic diameter (mm) 0.0560.043–0.0690.0000.354
 Left ventricular systolic diameter (mm) 0.0590.043–0.0730.0000.326
 Left ventricular ejection fraction (%)−0.176−0.219–(−0.133)0.0000.343
 Shortening fraction (%)−0.088−0.114–(−0.062)0.0000.264
 Pulmonary pressure (mmHg)0.2710.202–0.3410.0000.323
 Telediastolic volume (mL) 0.1240.092–0.1570.0000.313
 Telesystolic volume (mL) 0.1030.061–0.1450.0000.161
 Left ventricular mass index (≥62)−0.022−0.035–(−0.007)0.0040.294
 Left ventricular mass index (≤61)−0.022−0.033–(−0.011)0.0000.121
 Heart rate (beats/min) 0.0990.059–0.1400.0000.158
Free T3
 Left ventricular diastolic diameter (mm)0.0230.0002–0.0460.0480.023
 Pulmonary pressure (mmHg)0.1250.009–0.2400.0340.028
 Left ventricular mass index (46–52)−0.020−0.035–(−0.005)0.0100.056

Natural logarithmic units.