Clinical Data of Nine Healthy Men before and during Triiodothyronine Treatment
| Before | During (day 14) | |
| Body weight (kg) | 71.4 ± 3.9 | 70.7 ± 3.8 |
| Fat mass (kg) | 15.0 ± 1.7 | 15.4 ± 2.0 |
| Lean body mass (kg) | 53.2 ± 2.7 | 52.3 ± 2.5 |
| Heart rate (beats/min) | 58 ± 2 | 72 ± 4[iii] |
| Systolic blood pressure (mm Hg) | 116 ± 3 | 121 ± 4[iv] |
| Diastolic blood pressure (mm Hg) | 63 ± 2 | 67 ± 2 |
| Resting metabolic rate | ||
| (kcal/d) | 1720 ± 55 | 1951 ± 93[iv] |
| (J/min/kg lean body mass) | 95 ± 3 | 109 ± 3[iv] |
| Respiratory quotient | 0.85 ± 0.02 | 0.78 ± 0.01[iv] |
| Free T3 (pM) | 6.8 ± 0.2 | 11.2 ± 0.9[iii] |
| Free T4 (pM) | 11.0 ± 0.9 | 4.1 ± 0.9[iii] |
| TSH (mU/L) | 2.1 ± 0.3 | 0.06 ± 0.01[iii] |
| NEFA (μM) | 301 ± 45 | 330 ± 32 |
[i] NEFA, nonesterified fatty acid; TSH, thyroid-stimulating hormone.
[ii] Data (means ± standard error) were compared using pairedt-test.
[iii] P < 0.01.
[iv] P < 0.05.