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Table 5 Analysis of the predictive value of D-dimer for LEDVT

From: Peripherally inserted central venous catheter in upper extremities leads to an increase in D-dimer and deep vein thrombosis in lower extremities

  Optimal critical value Sensitivity Specificity Positive predictive value Negative predictive value Area under ROC curve 95 % confidence interval
The level of D-dimer in patients with PICC 0.675 48.28 % 86.05 % 55.22 % 82.35 % 0.657 0.549–0.765
The level of D-dimer in patients without PICC 0.665 72.01 % 75.89 % 36.82 % 93.25 % 0.800 0.769–0.830
  1. Note: PICC refers to peripherally inserted central venous catheter; LEDVT lower extremity deep venous thrombosis; ROC receiver operating characteristic curve