Table 1

Pleural fluid thickness-based prediction of pleural complications in parapneumonic effusions

Pleural fluid thickness (mm)
<10⩾10<20⩾20<30⩾30
Incidence of pleural complications (n)0/1121/521/2920/344/4217/21
Sensitivity100%95%81%
Specificity26%67%91%
PPV40%59%81%
NPV100%97%91%
p Value0.011<0.001<0.001

  • NPV, negative predictive value; PPV, positive predictive value.