Table 1 System performance by concept
From: Unlocking echocardiogram measurements for heart disease research through natural language processing
Mapping | TIU | Echo | Radiology | ||||||
|---|---|---|---|---|---|---|---|---|---|
Mentions | Precision | Recall | Mentions | Precision | Recall | Mentions | Precision | Recall | |
Aortic valve max pressure gradient* | 11 | 1.000 | 0.611 | 2 | 1.000 | 1.000 | 0 | . | . |
Aortic valve mean pressure gradient* | 8 | 1.000 | 0.471 | 0 | . | . | 0 | . | . |
Aortic valve orifice area | 18 | 0.722 | 0.867 | 2 | 0.500 | 0.500 | 2 | 0.000 | 0.000 |
Aortic valve regurgitation | 62 | 0.984 | 0.859 | 24 | 1.000 | 0.750 | 4 | 0.750 | 0.500 |
Aortic valve stenosis | 24 | 1.000 | 0.558 | 8 | 1.000 | 0.364 | 2 | 1.000 | 0.667 |
E/e prime ratio* | 7 | 0.571 | 1.000 | 0 | . | . | 1 | 1.000 | 1.000 |
Interventricular septum dimension at end diastole | 75 | 0.853 | 1.000 | 27 | 0.926 | 1.000 | 10 | 0.900 | 1.000 |
Left atrium size at end systole | 142 | 0.923 | 0.929 | 63 | 1.000 | 0.875 | 6 | 1.000 | 1.000 |
Left ventricular contractility* | 4 | 0.250 | 0.063 | 0 | . | . | 5 | 1.000 | 1.000 |
Left ventricular dimension at end diastole | 59 | 0.949 | 0.862 | 12 | 1.000 | 0.706 | 7 | 0.857 | 0.857 |
Left ventricular dimension at end systole | 43 | 0.977 | 0.894 | 11 | 1.000 | 1.000 | 0 | . | . |
Left ventricular ejection fraction | 377 | 0.968 | 0.899 | 137 | 1.000 | 0.801 | 176 | 0.989 | 0.883 |
Left ventricular hypertrophy | 65 | 0.908 | 1.000 | 23 | 0.913 | 1.000 | 2 | 1.000 | 0.500 |
Left ventricular posterior wall thickness at end diastole | 78 | 0.974 | 0.844 | 33 | 0.970 | 0.842 | 7 | 0.857 | 0.750 |
Left ventricular size | 67 | 0.985 | 0.629 | 27 | 1.000 | 0.443 | 27 | 1.000 | 0.563 |
Mitral valve mean pressure gradient* | 9 | 1.000 | 0.750 | 0 | . | . | 0 | . | . |
Mitral valve orifice area* | 9 | 1.000 | 1.000 | 0 | . | . | 0 | . | . |
Mitral valve regurgitation peak velocity* | 2 | 1.000 | 0.667 | 0 | . | . | 0 | . | . |
Mitral valve regurgitation | 118 | 0.822 | 0.764 | 47 | 0.979 | 0.754 | 5 | 1.000 | 0.500 |
Mitral valve stenosis* | 6 | 1.000 | 0.500 | 2 | 1.000 | 0.667 | 0 | . | . |
Pulmonary artery pressure | 42 | 0.952 | 0.588 | 15 | 1.000 | 0.517 | 0 | . | . |
Right atrial pressure | 33 | 0.939 | 0.689 | 7 | 1.000 | 0.389 | 0 | . | . |
Tricuspid valve mean pressure gradient* | 4 | 1.000 | 1.000 | 1 | 1.000 | 1.000 | 0 | . | . |
Tricuspid valve regurgitation peak velocity | 18 | 0.889 | 0.696 | 5 | 0.600 | 0.500 | 0 | . | . |
Tricuspid valve regurgitation | 85 | 0.976 | 0.830 | 54 | 1.000 | 0.857 | 1 | 1.000 | 0.333 |
Total | 1,366 | 0.936 | 0.817 | 500 | 0.982 | 0.741 | 255 | 0.969 | 0.802 |