[Retracted] The Effect of Acute Kidney Injury on TGF-β1 and Smad3 in Patients with Coronary Heart Disease after Off-Pump Coronary Artery Bypass Grafting

Table 1

Renal function distributions for patients in the AKI group.

Stages	Renal functioning	Patients (proportion, %) in the AKI group
I	GFR >89 mL/min	3 (12)
II	GFR 60–89 mL/min	12 (48)
III	GFR 30–59 mL/min	9 (36%)
IV	GFR 15–29 mL/min	1 (4)