Description

The  RDW to platelet count ratio (RPR) can help identify a patient with chronic hepatitis B virus with significant hepatic fibrosis.


Patient selection: chronic HPV

 

Parameters:

(1) red cell distribution width in percent

(2) platelet count in 10^9/L

 

RPR =

= (RDW) / (platelet count)

 

Ratio

Hepatic Fibrosis (Tu et al)

> 0.065

F2 to F4

> 0.115

F3 or F4

> 0.135

F4 (cirrhosis)

 

Performance:

• According to Karagoz et al, the area under the ROC curve is 0.76.

• According to Chen et al, the area under the ROC curve for cirrhosis is 0.88.


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