Table 3.
Sensitivity and specificity of measurement methods within 95% confidence interval
| Measurement | Reference | Sensitivity (%) | Specificity (%) |
|---|---|---|---|
| Doppler examiner subclavia | Echocardiography (adapted) | 14.8 (4.2, 33.7) | 98.2 (96.8, 99.1) |
| Doppler examiner precordial | Echocardiography (adapted) | 36.0 (17.9, 57.5) | 96.5 (94.6, 97.8) |
| Doppler examiner combination | Echocardiography (adapted) | 40.0 (21.1; 61.3) | 95.1 (93.0, 96.7) |
| Doppler self-subclavia | Echocardiography (adapted) | 14.8 (4.2, 33.7) | 98.3 (96.8, 99.2) |
| Doppler self-precordial | Echocardiography (adapted) | 32.0 (14.9, 53.5) | 96.3 (94.3, 97.8) |
| Doppler self-combination | Echocardiography (adapted) | 36.0, (18.0, 57.5) | 94.9 (92.6, 96.6) |
Qualitative interpretation of relevant bubbling through classification of echocardiographic EB scale 0, 1, 2, 3, classified as 0, and EB scale 4, 5 as 1