TABLE 1. Variables as Predictors of Pleural Effusion

Variables Area Under ROC Curve Cutoff Sensitivity, % Specificity, %

Hematocrit, % 0.79 >43 72 83
PVDPL, cm/s 0.88 <15.3 72 79
Hematocrit/PVDPL, s/cm 0.93 >2.66 81 83