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Table 4 Comparison of Predictive Power for VTE Diagnosis Among all Scores

From: Comparison of VTE risk scores in guidelines for VTE diagnosis in nonsurgical hospitalized patients with suspected VTE

Variables

Wells

Geneva

YEARS

PERC

Padua

IMPROVE

Score-points

2.69 ± 2.35

3.58 ± 2.92

1.06 ± 1.16

2.97 ± 2.70

8.04 ± 6.20

4.84 ± 3.81

TP-no

393

386

321

425

352

340

FP-no

1372

1267

1360

2270

1531

1448

FN-no

42

49

114

10

83

95

TN-no

1361

1466

1373

463

1202

1285

DP-%

55.7

52.2

53.1

85.1

59.4

56.4

EP-%

44.3

47.8

46.9

14.9

40.6

43.6

Sensitivity -%

90.3

88.7

73.8

97.7

80.9

78.2

Specificity -%

49.8

53.6

50.2

16.9

44.0

47.0

PPV -%

22.3

23.4

19.1

15.8

18.7

19.0

NPV -%

97.0

96.8

92.3

97.9

93.5

93.1

FPR -%

50.2

46.4

49.8

83.1

56.0

53.0

FNR -%

9.70

11.3

26.2

2.30

19.1

21.8

PLR

1.799

1.912

1.482

1.176

1.445

1.475

NLR

0.195

0.211

0.522

0.136

0.434

0.464

DOR

9.433

6.808

2.789

208.4

5.402

4.033

NND-no

2.494

2.364

4.167

6.849

4.016

3.968

SR-%

55.4

58.5

53.5

28.0

49.1

51.3

FR-%

44.6

41.5

46.5

72.0

50.9

48.7

AA -%

64.9

65.6

58.9

57.1

59.2

59.3

YI

0.401

0.423

0.240

0.146

0.249

0.252

C-index

0.694(0.626–0.762)

0.697(0.623–0.772)

0.602(0.535–0.669)

0.569(0.486–0.652)

0.607(0.533–0.681)

0.609(0.538–0.680)

  1. VTE Venous thromboembolism, no. number, TP True Positive, FP False Positive, FN False Negative, TN True Negative, DP Diagnostic Prevalence, EP Exclusion Prevalence, PPV Positive Predictive Value, NPV Negative Predictive Value, FPR False Positive Rate, FNR False Negative Rate, PLR Positive Likelihood Ratio, NLR Negative Likelihood Ratio, DOR Diagnostic Odds Ratio, NND Number Needed to Diagnosis, SR Success Rate, FR Failure Rate, AA Adjusted Agreement, YI Youden Index, C-index Concordance-index