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Table 3 The comparison of the diagnostic accuracy for the likelihood prediction of PE among the Standard, the Age-adjusted, the YEARS, the PERC and the PEGeD algorithms for patients with AECOPD

From: An authoritative algorithm most appropriate for the prediction of pulmonary embolism in patients with AECOPD

Variables

Standard

Age-adjusted

YEARS

PERC

PEGeD

TP-no.

210

165

150

207

186

FP-no.

948

246

222

933

183

FN-no.

N/A

45

60

3

24

TN-no.

N/A

702

726

15

765

Sensitivity -%

N/A

78.6%

71.4%

98.6%

88.6%

Specificity -%

N/A

74.1%

76.6%

1.6%

80.7%

PPV -%

18.1%

40.1%

40.3%

18.2%

50.4%

NPV -%

N/A

94.0%

92.4%

83.3%

97.0%

PLR

N/A

3.034

3.051

1.002

4.591

NLR

N/A

0.289

0.373

0.875

0.141

YI

N/A

0.527

0.480

0.002

0.693

DA -%

N/A

74.9%

75.6%

19.2%

82.1%

  1. TP True Positive, FP False Positive, FN False Negative, N/A Not Applicable, TN True Negative, PPV Positive Predictive Value, NPV Negative Predictive Value, PLR Positive Likelihood Ratio, NLR Negative Likelihood Ratio, YI Youden Index, DA Diagnostic Accuracy