Research Article
The Use of a Novel Quantitative Marker of Echogenicity of Pleural Fluid in Parapneumonic Pleural Effusions
Figure 2
Scatterplot of the predictors (glucose and pH) joining the regression model with the dependent variable (hypoechogenicity index, HI) (, r = 0.474 for glucose, , r = 0.811 for pH). Pixel ratio stands for HI.
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