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. 2024 Mar 20;5:250–260. doi: 10.1109/OJEMB.2024.3379733

TABLE III. Results for Statistical SQIs: For Each Record, the Arithmetic Mean Over All segments is Computed.

Signal Skewness Kurtosis
VitalDB SIESTA VitalDB SIESTA
EEG 1 0.02Inline graphic1.88 0.15Inline graphic0.75 8.59Inline graphic32.09 7.50Inline graphic5.00
EEG 2 0.05Inline graphic1.16 0.05Inline graphic0.54 8.54Inline graphic35.99 7.10Inline graphic5.17
ECG 2.17Inline graphic1.78 1.20Inline graphic2.77 13.42Inline graphic30.27 22.92Inline graphic12.50
Resp -0.26Inline graphic0.59 -0.02Inline graphic0.61 1.64Inline graphic5.87 5.44Inline graphic4.10
Signal Entropy Zero-crossing rate
VitalDB SIESTA VitalDB SIESTA
EEG 1 0.54Inline graphic0.15 0.52Inline graphic0.13 0.11Inline graphic0.10 0.19Inline graphic0.13
EEG 2 0.54Inline graphic0.16 0.60Inline graphic0.12 0.11Inline graphic0.10 0.20Inline graphic0.13
ECG 0.50Inline graphic0.13 0.69Inline graphic0.09 0.03Inline graphic0.07 0.04Inline graphic0.04
Resp 0.18Inline graphic0.10 0.28Inline graphic0.15 0.01Inline graphic0.01 0.09Inline graphic0.26
Signal Upper envelope Lower envelope
VitalDB SIESTA VitalDB SIESTA
EEG 1 0.20Inline graphic0.12 0.23Inline graphic0.11 0.21Inline graphic0.10 0.21Inline graphic0.10
EEG 2 0.21Inline graphic0.10 0.20Inline graphic0.09 0.21Inline graphic0.10 0.19Inline graphic0.09
ECG 0.08Inline graphic0.09 0.05Inline graphic0.05 0.08Inline graphic0.11 0.04Inline graphic0.05
Resp 0.03Inline graphic0.12 0.10Inline graphic0.12 0.01Inline graphic0.07 0.11Inline graphic0.14