Table 2 A comparison of the clinical data between groups separated by the median level of FT3 (2.33 pg/mL).

From: Low triiodothyronine levels correlate with high B-type natriuretic peptide levels in patients with heart failure

 

FT3 ≤ 2.33 (pg/mL) (n = 314)

FT3 > 2.33 (pg/mL) (n = 311)

P value

Male (%)

80.6

92.6

< 0.001

Age (years)

70 (62, 76)

63 (56, 71)

< 0.001

BMI (kg/m2)

23.4 (21.5, 25.7)

24.9 (22.8, 27.4)

< 0.001

SBP (mmHg)

134 (118, 150)

134 (114, 150)

0.754

DBP (mmHg)

68 (61, 76)

72 (63, 81)

< 0.001

Heart rate (beats per minutes)

74 (61, 85)

71 (60, 83)

0.549

Hb (g/dL)

13.5 ± 1.84

14.4 ± 1.49

< 0.001

eGFR (mL/min/1.73 m2)

68.8 (59.5, 80.0)

74.4 (65.4, 88.5)

< 0.001

Total bilirubin (mg/dL)

0.8 (0.6, 0.9)

0.8 (0.6, 1.0)

0.010

Albumin (g/dL)

3.84 ± 0.42

4.03 ± 0.32

< 0.001

Fasting blood sugar (mg/dL)

105 (94, 126)

105 (94, 123)

0.404

HbA1c (%)

6.1 (5.7, 6.8)

6.0 (5.7, 6.7)

0.503

HDL (mg/dL)

52 (41, 62)

48 (41, 58)

0.051

LDL (mg/dL)

95 (76, 114)

92 (75, 110)

0.566

Triglyceride (mg/dL)

91 (66, 130)

110 (85, 147)

< 0.001

FT4 (ng/dL)

1.24 ± 0.24

1.27 ± 0.22

0.102

TSH (μIU/mL)

1.57 (0.98, 2.47)

1.29 (0.83, 2.02)

< 0.001

BNP (pg/mL)

52.1 (21.4, 139.7)

25.7 (12.0, 64.0)

< 0.001

LVEF (%)

60.1 (48.1, 66.1)

61.5 (52.9, 66.0)

0.093

LVESVI (mL/m2)

24.2 (18.2, 35.4)

23.3 (17.7, 32.6)

0.104

LVEDVI (mL/m2)

62.2 (50.9, 75.9)

61.2 (49.3, 73.9)

0.170

  1. FT3, free triiodothyronine; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; Hb, hemoglobin; eGFR, estimated glomerular filtration rate; HDL, high-density lipoprotein cholesterol; LDL, low-density lipoprotein cholesterol; FT4, free thyroxine; TSH, thyroid-stimulating hormone; LVEF, left ventricular ejection fraction; LVESVI, left ventricular end-systolic volume index; LVEDVI, left ventricular end-diastolic volume index.
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