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

Table 2

Basic characteristics based on FT3 levels in AMI patients.

	Free triiodothyronine levels (pmol/L)			value
	1.62–3.98	3.99–5.33	5.34–8.55
Female (%)	18.35%	18.35%	22.94%
GRACE score	116.098 ± 43.037	121.991 ± 40.497	128.117 ± 38.421	0.091
Age (y)	59.625 ± 10.468	58.351 ± 10.107	59.694 ± 10.490	0.550
HR (bpm)	69.732 ± 14.248	72.728 ± 22.362	69.856 ± 13.955	0.344
Onset of AMI (h)	17.538 ± 32.545	17.769 ± 30.339	16.692 ± 18.481	0.911
CKMB (U/L)	40.333 ± 66.052	40.266 ± 61.909	41.398 ± 60.269	0.989
HbA1C (%)	124.027 ± 19.070	124.513 ± 18.211	125.973 ± 16.001	0.272
sBP (mmHg)	76.929 ± 11.943	78.796 ± 11.498	78.369 ± 11.353	0.700
dBP (mmHg)	5.693 ± 0.356	5.744 ± 0.357	5.767 ± 0.328	0.454
EF (%)	67.939 ± 14.945	69.152 ± 16.936	69.203 ± 14.298	<0.001
AST (U/L)	55.486 ± 13.468	60.057 ± 11.187	62.135 ± 11.974	<0.05
Creatine (μmol/L)	68.437 ± 75.677	53.158 ± 57.580	40.438 ± 45.711	0.192
NT-proBNP (pg/mL)	1780.395 ± 3700.982	739.469 ± 1208.398	411.908 ± 537.265	<0.001
T4 (μg/dL)	6.464 ± 1.641	7.005 ± 1.687	7.911 ± 1.875	<0.001
T3 (ng/mL)	0.845 ± 0.238	1.015 ± 0.277	1.218 ± 0.286	<0.001
FT4 (pmol/L)	13.432 ± 2.918	14.832 ± 2.836	16.540 ± 3.075	<0.001
FT3 (pmol/L)	3.336 ± 0.512	4.690 ± 0.394	6.295 ± 0.750	<0.001
TSH (μIU/mL)	2.812 ± 7.305	2.238 ± 3.348	2.241 ± 1.618	0.585
TGAB (%)	8.873 ± 12.438	6.765 ± 9.865	8.271 ± 10.397	0.335
TMAB (%)	6.567 ± 8.205	5.184 ± 6.313	6.202 ± 7.025	335.000
Previous history of hypertension (%)	44.95%	50.46%	54.13%
CHF (%)	6.42%	1.83%	1.83%
Myocardial infarction (%) PCI or CABG (%)	13.76%	13.76%	14.68%
In-hospital treatment	18.35%	16.51%	20.18%
Aspirin (%)	95.41%	97.25%	97.25%
β-Blocker (%)	78.90%	88.99%	80.73%
Statin (%)	97.25%	99.08%	92.66%
CCB (%)	15.60%	19.27%	15.60%

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 (%).