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Table 4 Span characteristics

From: Diagnosis extraction from unstructured Dutch echocardiogram reports using span- and document-level characteristic classification

Characteristic

Severity

No. of spans

Length

SD

BD

Aortic regurgitation

Overall

2607

2.47

2.62

1.25

Normal

1849

2.48

2.42

1.28

Mild

562

2.39

3.08

1.05

Moderate

146

2.68

2.90

1.45

Severe

50

2.37

4.33

1.80

Aortic stenosis

Overall

1850

2.48

2.60

1.35

Normal

1582

2.48

2.40

1.31

Mild

111

2.45

3.54

1.57

Moderate

73

2.53

3.43

1.71

Severe

84

2.39

4.33

1.52

Diastolic dysfunction

Overall

1597

4.58

2.42

1.28

Normal

536

4.26

1.59

1.44

Mild

665

4.89

2.77

1.06

Moderate

263

4.73

2.92

1.41

Severe

133

3.96

3.01

1.46

Left ventricular dilatation

Overall

2469

3.31

2.11

1.46

Normal

1925

3.42

1.80

1.30

Mild

256

3.21

2.98

1.88

Moderate

94

3.15

3.41

2.40

Severe

52

3.16

3.75

2.78

Present

142

2.19

3.35

1.75

Left ventricular systolic dysfunction

Overall

5144

4.81

1.41

1.10

Normal

3113

4.85

1.28

1.01

Mild

1042

4.77

1.55

1.14

Moderate

495

4.82

1.53

1.28

Severe

494

4.64

1.82

1.39

Mitral regurgitation

Overall

2902

2.56

2.56

1.33

Normal

1793

2.51

2.34

1.34

Mild

814

2.62

2.90

1.22

Moderate

228

2.74

2.82

1.46

Severe

67

2.71

3.31

1.69

Pericardial effusion

Overall

1295

3.65

2.86

1.48

Normal

987

2.51

2.97

1.47

Mild

158

5.10

2.51

1.44

Moderate

55

11.50

2.15

1.70

Severe

50

12.81

2.21

1.65

Present

45

3.94

3.26

1.47

Right ventricular dilatation

Overall

2812

3.54

2.06

1.40

Normal

2195

3.63

1.79

1.30

Mild

294

3.43

2.88

1.72

Moderate

132

3.30

3.28

1.91

Severe

50

3.43

3.52

1.97

Present

141

2.51

2.89

1.64

Right ventricular systolic dysfunction

Overall

2640

4.34

1.70

1.37

Normal

1932

4.29

1.65

1.37

Mild

445

4.63

1.74

1.31

Moderate

199

3.98

2.05

1.44

Severe

64

5.11

2.07

1.51

Tricuspid regurgitation

Overall

1954

2.47

2.84

1.48

Normal

1422

2.48

2.57

1.49

Mild

294

2.46

3.34

1.40

Moderate

165

2.37

3.72

1.50

Severe

73

2.53

4.01

1.56

Wall motion abnormalities

Overall

1334

3.81

2.33

1.10

Normal

421

3.42

2.38

1.09

Present

913

4.00

2.31

1.10

  1. Abbreviations: SD span distinctiveness, BD span boundary distinctiveness
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