Journal of Medical Engineering / 2016 / Article / Tab 2

Research Article

A Hybrid Signal Processing of RR Intervals from QTc Variation Searching Arrhythmia and Improving Heart Rate Variability Assessment in Acute Large Artery Ischemic Stroke

Table 2

HRV comparison of LQTc-AF group using Kalman filter and Labchart.

LQTc-AF KalmanLQTc-AF Labchart

Mean HR100.30 ± 27.9985.97 ± 16.74NS
Mean RRI669.3 ± 134.0751 ± 139.3NS
SDNN114.3 ± 68.1148.7 ± 126.3NS
RMSSD93.4 ± 48.3191.9 ± 154.3
pNN5044.36 ± 26.5556.64 ± 34.96NS
VLF (0–0.04 Hz)3001 ± 47298852 ± 27625NS
LF (0.04–0.15 Hz)6404 ± 97154567 ± 3878NS
HF (0.15–0.4 Hz)3893 ± 40228549 ± 7725
LF/HF ratio1.459 ± 0.6180.685 ± 0.412NS
SD166.23 ± 34.23136.2 ± 109.5
SD2146.9 ± 91.7159 ± 144.2NS
SD2/SD12.249 ± 0.6451.470 ± 0.704
SamEn1.413 ± 0.6551.654 ± 0.474NS
α11.0822 ± 0.16910.7714 ± 0.2563
α20.8050 ± 0.2340.6466 ± 0.2871NS

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