Table 4.

Cut-off Independent Variables for PE Prediction with 100% Sensitivity.

Variable Cutoff Specificity P-value PPV
D-dimer >1.23 0.09 <0.01 0.23
D-dimer/aPTT >0.67 0.16 <0.01 0.25
D-dimer/platelets >0.85 0.16 <0.01 0.29
PaDd >5.93 0.32 <0.01 0.29
PaDd/platelets >0.25 0.32 <0.01 0.30
PaDd/aPTT >2.49 0.35 <0.01 0.31

aPTT, activated partial thromboplastin time; PaDd, Padua × D-dimer; PLR, platelet-to-lymphocyte ratio; PPV, positive predictive value.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2025; 16(3): e0013. ISSN: 2076-9172
Published online 2025 July 31. doi: 10.5041/RMMJ.10548