Correlation of Triiodothyronine Level with In-Hospital Cardiac Function and Long-Term Prognosis in Patients with Acute Myocardial Infarction

Table 1

Basic characteristics based on T3 levels in AMI patients.

	Triiodothyronine levels (ng/mL)			value
	0.500–0.860	0.862–1.140	1.150–2.190
Female (%)	22.02%	24.77%	24.77%
GRACE score	112.252 ± 42.084	127.159 ± 40.671	129.294 ± 38.054	<0.01
Age (y)	58.766 ± 10.313	59.477 ± 10.039	59.725 ± 10.237	0.860
HR (bpm)	70.355 ± 21.222	71.336 ± 16.876	70.706 ± 14.019	0.933
Onset of AMI (h)	20.077 ± 13.130	13.538 ± 16.033	18.385 ± 30.321	0.602
CKMB (U/L)	33.371 ± 58.571	48.333 ± 70.930	41.862 ± 60.303	0.210
HbA1C (%)	5.748 ± 0.340	5.744 ± 0.361	5.718 ± 0.345	0.453
sBP (mmHg)	124.542 ± 21.078	126.453 ± 16.723	125.303 ± 14.810	<0.05
dBP (mmHg)	79.075 ± 13.482	78.189 ± 10.272	78.083 ± 10.610	0.061
EF (%)	55.059 ± 14.298	61.697 ± 10.699	61.879 ± 11.132	<0.001
AST (U/L)	77.610 ± 79.248	44.818 ± 49.386	34.039 ± 32.576	<0.001
Creatine (μmol/L)	69.688 ± 16.694	67.767 ± 15.181	69.090 ± 14.364	0.708
NT-proBNP (pg/mL)	1561.706 ± 3620.966	552.291 ± 758.825	570.607 ± 1117.933	<0.001
T4 (μg/dL)	6.380 ± 1.666	7.151 ± 1.545	8.053 ± 1.808	<0.001
T3 (ng/mL)	0.700 ± 0.102	1.009 ± 0.078	1.377 ± 0.195	<0.001
FT4 (pmol/L)	13.738 ± 2.894	15.028 ± 2.991	16.350 ± 3.136	<0.001
FT3 (pmol/L)	4.079 ± 1.124	4.792 ± 1.149	5.628 ± 1.145	<0.001
TSH (μIU/mL)	2.782 ± 7.471	1.960 ± 1.408	2.748 ± 3.519	0.315
TGAB (%)	9.932 ± 13.510	6.797 ± 9.021	7.567 ± 10.325	0.117
TMAB (%)	7.295 ± 8.741	5.323 ± 6.282	5.595 ± 6.718	0.119
Previous history of hypertension (%)	47.71%	54.13%	52.29%
CHF (%)	10.09%	7.34%	5.50%
Myocardial infarction (%)	17.43%	19.27%	16.51%
PCI or CABG (%)	22.02%	22.02%	21.10%
In-hospital treatment
Aspirin (%)	95.41%	97.25%	97.25%
β-Blocker (%)	81.65%	88.07%	79.82%
Statin (%)	97.25%	99.08%	93.58%
CCB (%)	19.27%	23.85%	17.43%

Abbreviations: GRACE: the Global Registry of Acute Coronary Events; HR: heart rate; CKMB: MB isoenzyme of creatine kinase; HbA1c: hemoglobin A1c; BP: blood pressure; EF: ejection fraction; AST: aspartate transaminase; NT-proBNP: probrain natriuretic peptide; T4: thyroxine; T3: triiodothyronine; FT4: free thyroxine; FT3: free triiodothyronine; TSH: thyroid-stimulating hormone; TGAB: thyroglobulin; TMAB: thyroid microsomal antibody; CHF: chronic heart failure; PCI: percutaneous coronary intervention; CABG: coronary artery bypass graft; CCB: calcium channel blocker. Data are mean ± SD and number (%).