Table 4 Prediction accuracies of LDA, modified KNN and LGBM classification algorithms at different time segments for the best combination of HRV parameters
ECG prediction | |||
|---|---|---|---|
Time segment | ML algorithm | ||
LDA | KNN | LGBM | |
2 Min baseline | 56.5% SI + SDNN | 74.2% PNS + SNS | 69.4% SNS |
15–45 s | 61.3% PNS + SNS + SDNN + RMSSD | 67.7% SI | 67.7% SNS + SI + RMSSD |
75–105 s | 62.9% PNS + SNS | 74.2% SNS | 71.0% SNS + SDNN |
25–35 s | 6.5% RMSSD | 67.7% RMSSD | 61.3% RMSSD |
85–95 s | 16.1% RMSSD | 59.7% RMSSD | 51.6% RMSSD |