Table 2 Performance comparison between combined and separate electrical (ECG) and audio (PCG) foetus sensing for pregnancy detection
Recording | Sensitivity | Specificity |
|---|---|---|
ECG only (no rejections) | 85.2% | 70.1% |
PCG only ≥ 20 weeks | 87.7% | 73.2% |
ECG and PCG combined (19% rejected) | 87.6% | 74.6% |