Table 4 Sensitivity and specificity of the conventional stethoscope and the Doppler Phonolyser for detection of the most common congenital heart defects in our study population
From: Evaluation of the heart sounds in children using a Doppler Phonolyser
Hearing | Phonolyser | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PDA | VSD | ASD | Small ASD | TOF | MR | PDA | VSD | ASD | Small ASD | TOF | MR | |
SENSE | 100% | 100% | 74.2% | 48.4% | 100% | 97.4% | 94.1% | 98.4% | 46.8% | 22.6% | 100% | 98.3% |
SPE | 95% | 95% | 95% | 95% | 95% | 95% | 69.1% | 69.1% | 69.1% | 69.1% | 69.1% | 69.1% |
PPV | 45.9% | 61.2% | 53.5% | 27.3% | 20% | 73.8% | 11.6% | 20.1% | 10.5% | 2.8% | 3.9% | 31.7% |
NPV | 100% | 100% | 97.9% | 97.9% | 100% | 99.7% | 99.6% | 99.8% | 94.3% | 95.8% | 100% | 99.6% |
LR+ | 19.92 | 19.92 | 14.77 | 9.63 | 18.79 | 19.4 | 3.04 | 3.018 | 1.51 | 0.73 | 3.23 | 3.17 |
LR− | 0 | 0 | 0.27 | 0.54 | 0 | 0.02 | 0.08 | 0.023 | 0.77 | 1.12 | 0 | 0.02 |