Platelet Distribution Width Levels Can Be a Predictor in the Diagnosis of Persistent Organ Failure in Acute Pancreatitis

Table 6

Receiving operator curve analysis in diagnosing POF.

	AUC (95% CI)	Cut-off	Sensitivity	Specificity	PPV	NPV
Hemoglobin (g/L)	0.694 (0.576–0.812)	150	0.533	0.695	0.333	0.845
Platelet count (×10^9/L)	0.601 (0.478–0.724)	100	0.067	0.971	0.400	0.785
Serum glucose (mmol/L)	0.794 (0.697–0.891)	11.1	0.567	0.857	0.545	0.882
Albumin (g/L)	0.726 (0.628–0.823)	32	0.400	0.876	0.435	0.821
Serum calcium (mmol/L)	0.888 (0.829–0.948)	2.0	0.867	0.790	0.553	0.954
PDW (%)	0.870 (0.801–0.939)	16.45	0.867	0.771	0.520	0.953
Ranson score	0.727 (0.638–0.816)	4	0.717	0.372	0.333	0.905
SIRS score	0.608 (0.500–0.716)	3	0.833	0.329	0.393	0.898

AUC: area under the curve; CI: confidence intervals; PDW: platelet distribution width; POF: persistent organ failure; ROC: receiver operating curve; PPV: positive predictive value; NPV: negative predictive value.