Can Platelet Count and Mean Platelet Volume be Used as Markers of Postdural Puncture Headache in Obstetric Patients?

Table 2

The results of ROC analysis for hemoglobin, hematocrit, PC and MPV.

Parameter	AUC^#	SE^##	value	95% confidence interval		LR+	Cut-off value	Sensitivity (%)	Specificity (%)
				Lower bound	Upper bound
Hemoglobin	0,398	0,044	0,022	0,312	0,483	1,02	8,05	100	3
Hemotocrit	0,399	0,044	0,024	0,313	0,484	1,22	44,2	1	99
PC	0,664	0,042	<0,001	0,582	0,747	8,56	352,000	9	99
MPV	0,293	0,041	<0,001	0,213	0,372	1,22	13,3	1	99

ROC: receiver operating characteristic; PC: Platelet count; MPV: Main platelet volume; ^#AUC: Area under curve; ^##SE: Standard error; LR+: Likelihood ratio.