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Table 4 Per protocol: correlation and diagnostic accuracy between investigators pathological ultrasonography findings and gold standard pathology

From: Diagnostic value of whole-body-focused ultrasonography in high-acuity patients in the emergency department: a prospective single-center cross-sectional study

Interstitial lung disease

Investigator

Gold standard

Total

1

0

1

3

22

25

0

0

133

133

Total

3

155

158

Pericardial effusion

Investigator

Gold standard

Total

1

0

1

2

8

10

0

0

134

134

Total

2

142

144

Pleural effusion

Investigator

Gold standard

Total

1

0

1

17

22

39

0

2

116

118

Total

19

138

157

Pulmonary edema

Investigator

Gold standard

Total

1

0

1

3

22

25

0

3

130

133

Total

6

152

158

Systolic heart failure

Investigator

Gold standard

Total

1

0

1

2

17

19

0

2

123

125

Total

4

140

144

  1. PPV positive predictive value, NPV negative predictive value, CI 95% confidence interval