Table 5. Sensitivities, specificities and cutoff values of the predictors of AKI and AKI HD (n = 222).

	Sensitivity	Specificity	Cutoff value	AUROC ± SE	95% CI	P
AKI
Time to hospital arrival (hours)	0.483	0.740	6.5	0.625 ± 0.041	0.544–0.705	0.003**
SIPP score (hours/mg/L)	0.817	0.432	1.857	0.647 ± 0.043	0.562–0.731	0.001**
PaO2 at admission (mmHg)	0.816	0.310	76.7	0.580 ± 0.042	0.498–0.662	0.049*
AKI HD
AKIN48h	0.6	0.832	2	0.741 ± 0.068	0.609–0.874	< 0.001***

Note: *P < 0.05, **P < 0.01, ***P < 0.001, AUROC area under receiver operating characteristic curve, CI confidence interval, SE standard error, AKIN Acute Kidney Injury Network, AKI acute kidney injury, AKI HD AKI necessitating hemodialysis, SIPP severity index of paraquat poisoning.