Table 3 Area under de ROC curve and optimal cut-off point.

From: Development and validation of a sequential two-step algorithm for the screening of individuals with potential polycythaemia vera

 

AUC

Optimal cut-off

Sensibility

Specificity

WBC

0.72

9.92

0.63

0.81

Neutrophils

0.79

5.98

0.75

0.83

Platelets

0.86

248.5

1.00

0.72

MCV

0.50

79.55

1.00

0.01

RDW

0.80

13.05

1.00

0.60

MCH

0.51

25.40

1.00

0.02

  1. AUC area under the curve, WBC white blood cells, MCV mean corpuscular volume, RDW red cell distribution width, MCH mean corpuscular haemoglobin.
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