Test characteristics of Doppler echocardiography for diagnosis of asymptomatic thrombosis associated with an umbilical venous catheter in infants*
| Observer | Sensitivity (95% CI) | Specificity (CI) | +LR | −LR |
|---|---|---|---|---|
| *+LR = likelihood ratio for a positive test result and −LR = likelihood ratio for a negative test result; CI, +LR, and −LR calculated from data in article. | ||||
| Cardiologist A | 21% (5 to 51) | 91% (76 to 98) | 2.36 | 0.86 |
| Cardiologist B | 43% (22 to 67) | 76% (58 to 89) | 1.77 | 0.75 |
| Cardiologist C | 21% (5 to 51) | 94% (80 to 99) | 3.54 | 0.84 |