Value of early diagnosis of sepsis complicated with acute kidney injury by renal contrast-enhanced ultrasound

Table 3 Analysis of receiver operating characteristic for diagnosis of septic acute kidney injury by potential indicators

	AUC	95%CI	Cut-off point	Sensitivity	Specificity
SIRS	0.555a	0.446 - 0.660	2.69	27.03%	92.45%
Lac	0.674a	0.567 - 0.769	2.67 mmol/L	62.16%	64.15%
Scr	0.825a	0.730 - 0.897	129.98 μmol/L	56.76%	100.00%
BUN	0.658a	0.551 - 0.755	2.84 mmol/L	37.74%	91.89%
PI	0.912	0.833 - 0.961	15.93 dB	100.00%	75.47%
RT	0.758a	0.656 - 0.842	8.1 s	83.78%	58.49%
WIS	0.928	0.853 - 0.972	1.48 dB/s	100.00%	71.70%
Combination	0.943	0.873 - 0.981	0.48	94.59%	81.13%

^aP < 0.05, vs the combination. SIRS: Systemic inflammatory response score; Lac: Lactic acid; Scr: Serum creatinine; BUN: Blood urea nitrogen; PI: Peak intensity; RT: Rise time; WIS: Wash in slope; AUC: Area under the curve.