Comparison of auscultation and point-of-care echocardiography against standard transthoracic study as % (95% CI) performed by a scientist or consultant cardiologist
| Auscultation | Point-of-care echocardiography | |||
| Scientist | Cardiologist | Scientist | Cardiologist | |
| Sensitivity | 83 (64 to 94)% | 91 (72 to 99)% | 100 (88 to 100)% | 100 (85 to 100)% |
| Specificity | 100 (95 to 100)% | 100 (93 to 100)% | 100 (95 to 100)% | 100 (93 to 100)% |
| PPV | 100% | 100% | 100% | 100% |
| NPV | 93 (86 to 97)% | 96 (87 to 99)% | 100% | 100% |
| Accuracy | 95 (89 to 98)% | 97 (91 to 100)% | 100 (95 to 100)% | 100 (98 to 100)% |
| Positive likelihood | – | – | – | – |
| Negative likelihood | 0.17 (0.08 to 0.38) | 0.09 (0.02 to 0.33) | 0 | 0 |
NPV, negative predictive value; PPV, positive predictive value.