Negative association between free triiodothyronine level and contrast-induced acute kidney injury in patients undergoing primary percutaneous coronary intervention

Table 2 Incidence of In-Hospital Outcomes

Outcome	Normal fT3	Low fT3	P-value	CI-AKI(−)	CI-AKI(+)	P-value
Outcome	(n = 283)	(n = 80)		(n = 304)	(n = 59)	P-value
CI-AKI	34 (12.0%)	25 (31.3%)	<0.0001
In-hospital mortality, n (%)	9 (3.2%)	12 (15.0%)	<0.0001	8 (2.6%)	13 (22.0%)	<0.0001
Recurrent MI, n (%)	2 (0.7%)	2 (2.5%)	0.212	3 (1.0%)	1 (1.7%)	0.510
Required RRT, n (%)	4 (1.4%)	4 (5.0%)	0.075	4 (1.3%)	4 (6.8%)	0.027
Stent thrombosis, n (%)	0 (0.0%)	2 (2.5%)	0.048	1 (0.3%)	1 (1.7%)	0.299
Bleeding, n (%)	5 (1.8%)	2 (2.5%)	0.652	2 (0.7%)	5 (8.5%)	0.002

Abbreviations:CI-AKI contrast-induced acute kidney injury, fT3 free triiodothyronine, RRT Renal replacement therapy, MI Mycardial infarction

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