Incidence and peri-operative risk factors for development of acute kidney injury in patients after cardiac surgery: A prospective observational study

Table 3 Receiver operating characteristics curve analysis for major predictors of acute kidney injury development

Test result variable(s)	Area under curve	SE	P value	95%CI
				Lower bound	Upper bound
CKD	0.602	0.050	0.036	0.504	0.699
EuroScore II percentage (%)	0.692	0.045	0.000	0.604	0.781
Duration of ECC (min)	0.618	0.044	0.015	0.532	0.704
Duration of GA (min)	0.607	0.047	0.028	0.515	0.699
Duration of ICU sedation (min)	0.625	0.051	0.010	0.526	0.724
White blood cell (k/uL)	0.643	0.046	0.003	0.554	0.733
Vasopressors	0.610	0.049	0.024	0.514	0.706
Inotropes	0.562	0.047	0.204	0.469	0.654
Fluid balance 1st day after cardiac surgery (mL)	0.634	0.050	0.006	0.537	0.731

ECC: Extracorporeal circulation; GA: General anesthesia. The statistical significance was set at P value less than 0.05.