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Table 3 Sensitive, specificity, positive predicted value (PPV), and negative predicted value (NPV) of D-dimer for significant PE risk

From: The diagnostic value of D-dimer with simplified Geneva score (SGS) pre-test in the diagnosis of pulmonary embolism (PE)

Group Proposed D-dimer
cutoff point (mg/L)
Sensitivity Specificity PPV NPV
All patients 1.96 0.653 0.683 0.45 0.832
Patients with SGS ≤ 2 1.96 0.628 0.71 0.443 0.838
Patients with SGS ≥ 3 2.22 0.704 0.593 0.476 0.792
  1. PE pulmonary embolism, SGS simplified Geneva score, PPV positive predicted value, NPV negative predicted value