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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