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Table 4 Diagnostic performance parameters comparing FATE bedside examination performed by a novice examiner with results of an expert in cardiology and echocardiography

From: Assessment of cardiac pathology by point-of-care ultrasonography performed by a novice examiner is comparable to the gold standard

 

PE

LVEDD

RVEDD

MT

EF

AS

True positive

15

20

16

23

35

31

True negative

86

79

79

74

59

68

False positive

1

1

4

1

5

1

False negative

0

2

3

4

3

2

Sensitivity

1.00

0.91

0.84

0.85

0.92

0.94

- 95% CI

(0.78-1.00)

(0.71-0.99)

(0.60-0.97)

(0.66-0.96)

(0.79-0.98)

(0.80-0.99)

Specificity

0.99

0.99

0.95

0.99

0.92

0.99

- 95% CI

(0.94-1.00)

(0.93-1.00)

(0.88-.099)

(0.93-1.00)

(0.83-0.97)

(0.92-1.00)

PPV

0.94

0.95

0.80

0.96

0.88

0.97

- 95% CI

(0.70-1.00)

(0.76-1.00)

(0.56-.094)

(0.79-1.00)

(0.73-0.96)

(0.84-1.00)

NPV

1.00

0.98

0.96

0.95

0.95

0.97

- 95% CI

(0.96-1.00)

(0.91-1.00)

(0.90-.099)

(0.87-0.99)

(0.87-0.99)

(0.90-1.00)

Kappa

0.96

0.91

0.78

0.87

0.83

0.93

  1. PE (Pericardial exudates), LVEDD (Left Ventricle end-diastolic diameter), RVEDD (Right Ventricle end-diastolic diameter), MT (Myocardial thickness), EF (Ejection fraction), AS (Aortic stenosis), PPV (Positive predictive value), NPV (Negative predictive value), 95% CI (95% confidence interval).