Table 2 Univariable logistic regression analyses analysis for certain confounding factors of CIN

Age (years)

1.001 (0.971–1.032)

0.945

Male (%)

0.828 (0.543–1.262)

0.379

LVEF

1.032 (0.999–1.066)

0.057

Hypertension (%)

0.666 (0.423–1.050)

0.080

BMI (kg/m²)

1.146 (1.025–1.280)

0.016

Contrast volume (mL)

1.003 (0.999–1.006)

0.137

LDL-C (mmol/L)

0.652 (0.632–1.333)

0.652

Preoperative FBG

1.576 (1.361–1.825)

< 0.0001

Hydration amount (mL)

1.000 (0.999–1.001)

0.578

PCI (%)

4.031 (2.406–6.755)

< 0.0001

Basal Scr (mmol/L)

0.995 (0.980–1.010)

0.515