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Table 2 Values from the extracted features during two different time windows: P1—from 10 to 25 ms, in which it is expected R1 to be analyzed; P2—from 25 to 200 ms, in which R2 is expected to be analyzed

From: Performance of blink reflex in patients during anesthesia induction with propofol and remifentanil: prediction probabilities and multinomial logistic analysis

Parameter Minimum Maximum Mean Standard deviation Median
Vmean 0.190 0.721 0.443 0.126 0.445
Vdiff 0.280 0.840 0.556 0.126 0.555
Pmean (dB) 0.166 15.162 2.660 2.879 1.555
Pmax (V) 3.770 436.561 68.613 78.169 37.462
fmean (Hz) 103.648 203.160 123.763 18.525 116.347
Pfmean (V) 2.793 314.897 50.984 57.029 28.624
fmedian (Hz) 89.179 168.352 105.909 16.692 98.161
Pband (dB) 596.219 62,514.798 10,151.828 11,349.090 5730.088
Ptotal (dB) 836.969 76,399.833 13,403.153 14,506.321 7834.622
Ptotal/fmean 7.190 845.757 132.339 151.067 71.768
SNR − 11.314 34.838 − 6.980 2.886 − 7.847
Pbandwidth (dB) 157.941 310.036 188.047 33.105 172.167
Spectral entropy 0.412 0.546 0.445 0.026 0.436
Vmean 0.130 0.575 0.320 0.088 0.310
Vdiff 0.425 0.870 0.680 0.088 0.690
Pmean (dB) 0.007 14.787 0.509 1.035 0.184
Pmax (V) 0.363 868.099 24.534 52.506 9.724
fmean (Hz) 23.459 181.467 58.488 30.876 48.865
Pfmean (V) 0.169 868.099 21.972 50.663 8.263
fmedian (Hz) 22.419 167.057 46.844 26.412 38.396
Pband (dB) 32.975 73,225.083 2337.29 4792.514 875.481
Ptotal (dB) 35.038 74,511.906 25,660.961 5216.244 926.853
Ptotal/fmean 0.859 2736.873 63.886 156.724 23.885
SNR − 8.038 44.143 8.691 11.550 4.456
Pbandwidth (dB) 37.304 250.824 66.134 33.175 53.062
Spectral entropy 0.180 0.496 0.299 0.072 0.278
  1. Vmean mean amplitude, Vdiff  difference between maximum and mean amplitude, Pmean mean power, Pmax maximum power, fmean mean frequency, Pmeanfrequency power at mean frequency, fmedian  median frequency, Pband power band, Ptotal total integrated of the spectrum, Ptotal/fmedian ratio between total power and median frequency, SNR signal-to-noise ratio, Pbandwidth power bandwidth