Table 2. Pocket Mobile Echocardiography (PME) and Transthoracic Echocardiography (TTE) interpretation.
Transthoracic echo parameter (% abnormal) |
Visualized (%) | True Positive + True Negative (% of visualized/% of total scanned) |
Variability (κ) | ||||||
---|---|---|---|---|---|---|---|---|---|
Overall | Attendings | Fellows | Overall | Attendings | Fellows | Overall (4 raters) |
Attendings (2 raters) |
Fellows (2 raters) |
|
EF Low – 14 % |
95 | 93 | 97 | 95/91 | 97/91 | 93/91 | 0.71 | 0.95 | 0.68 |
WMA* Abnormal – 13 % |
83 | 85 | 81 | 89/74 | 90/77 | 87/71 | 0.72 | 0.90 | 0.47 |
LVEDD Enlarged – 15 % |
95 | 95 | 94 | 92/87 | 94/90 | 91/85 | 0.67 | 0.82 | 0.55 |
Pericardial effusion Significant – 0 % |
94 | 94 | 94 | n/a | n/a | n/a | n/a | n/a | n/a |
Mitral valve Abnormal – 7 % |
90 | 90 | 90 | 85/77 | 88/79 | 82/74 | 0.35 | 0.59 | 0.29 |
Aortic valve Abnormal – 6 % |
82 | 86 | 80 | 96/79 | 97/83 | 95/76 | 0.76 | 0.84 | 0.75 |
IVC size Dilated – 12 % |
75 | 73 | 77 | 78/58 | 81/59 | 74/57 | 0.42 | 0.84 | 0.39 |
TTE comparison image missing for WMA assessment in 1 patient
TTE comparison image missing for IVC assessment in 2 patients
Abbreviations: EF, ejection fraction; LV- EDD, left-ventricular end diastolic dimension; MV, mitral valve; WMA, wall motion abnormality; AV, aortic valve; IVC, inferior vena cava; k, kappa value.