Table 2

Statistical parameters of D-dimer cut-offs

Group 1 (n=129)Group 2 (n=13)SeSpNPVPPV
DD500650100%50.4%100%16.8%
DDAge860100%66.6%100%23.2%
  • DD500, D-dimer <500 ng/mL; DDAge, D-dimer <10×patient’s age; Group 1, patients without thrombus on TOE; Group 2, patients with a thrombus on TOE; NPV, negative predictive value; PPV, positive predictive value; Se, sensitivity; Sp, Specificity; TOE, transoesophageal echocardiography.