Table 1.

Demographic, clinic, and laboratory data according to serum free triiodothyronine (fT3) tertiles

Lowest Tertile (<3.27 pg/ml) (n = 44)Middle Tertile (3.27 to 3.85 pg/ml) (n = 50)Highest Tertile (>3.85) (n = 43)PRho (P)
Age (years)626252<0.01−0.32 (<0.01)
Men (%)4542530.53
Duration on HD (months)7473850.44
Smokers (%)2344280.06
Diabetes mellitus (%)2318120.40
Cardiovascular disease (%)2324120.28
Kt/V1.5 ± 0.21.5 ± 0.21.5 ± 0.30.48
T3 (ng/ml)0.73 ± 0.120.90 ± 0.111.02 ± 0.19<0.010.63 (<0.01)
fT4 (pmol/l)11.7 ± 2.112.4 ± 1.913.4 ± 2.8<0.010.28 (<0.01)
TSH (uIU/ml)1.68 ± 0.81.66 ± 0.91.36 ± 0.70.12
Hemoglobin (g/dl)11.2 ± 1.011.0 ± 0.811.7 ± 0.7<0.010.19 (0.02)
Albumin (g/dl)3.98 ± 0.34.03 ± 0.34.14 ± 0.20.020.19 (0.03)
CRP (mg/dl)1.65 ± 2.21.13 ± 1.130.9 ± 1.150.09
Total cholesterol (mg/dl)169 ± 48172 ± 41169 ± 460.91
Triglycerides (mg/dl)179 ± 105171 ± 92187 ± 790.72
High-density lipoprotein cholesterol (mg/dl)31 ± 732 ± 931 ± 100.45
Low-density lipoprotein cholesterol (mg/dl)103 ± 36105 ± 34101 ± 340.81
Augmentation index (%)30 ± 1128 ± 927 ± 110.24−0.18 (0.04)
c-f PWV (m/s)11 ± 311 ± 48.5 ± 2.6<0.01−0.35 (<0.01)
CA-IMT (mm)0.78 ± 0.180.77 ± 0.160.70 ± 0.140.06−0.23 (<0.01)
CA plaque (%)65.855.742.10.10−0.19 (0.03)
CAC score796 ± 1672830 ± 1117368 ± 8760.17−0.16 (0.05)
Erythropoietine use (%)29.522.230.70.59
Vitamin D use (%)27.230.039.00.42
  • fT4, free T4; TSH, thyroid-stimulating hormone; CRP, C-reactive protein; c-f PWV, carotid-femoral pulse wave velocity; CA-IMT, carotid artery–intima media thickness; CA, coronary artery; CAC, coronary artery calcification.