Salivary Creatinine Estimation as an Alternative to Serum Creatinine in Chronic Kidney Disease Patients

Table 4

Table showing area under the ROC curve.

Test result Variable(s)	Area	Standard error	Asymptotic sig.	Asymptotic 95% confidence interval
				Lower bound	Upper bound
Serum (mg/dL)	1.000	0.000	<0.001**	1.000	1.000
Saliva (mg/dL)	0.967	0.014	<0.001**	0.940	0.995

∗∗Statistically highly significant.