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Table 2 PLE and BIS values at the time point when propofol reached the target effect concentration

From: Monitoring of anesthetic depth and EEG band power using phase lag entropy during propofol anesthesia

Propofol Ce (μg/ml)

PLE

BIS

P-value

0

89.1 ± 8.5*

91.6 ± 5.7

0.042

2

83.9 ± 12.7*

90.7 ± 6.4

0.002

3

79.0 ± 10.7*

83.5 ± 10.7

0.000

4

74.5 ± 9.2

74.9 ± 11.1

0.798

5

56.8 ± 14.8*

62.0 ± 14.8

0.001

6

43.7 ± 11.4*

49.7 ± 14.5

0.002

Intubation

5

37.3 ± 7.1*

31.6 ± 8.2

0.005

4

39.3 ± 7.8*

30.8 ± 8.8

0.000

3

41.7 ± 9.1*

34.5 ± 10.7

0.000

2

47.2 ± 9.1*

41.1 ± 11.6

0.000

  1. Data are mean ± standard deviation or values. Abbreviations: PLE, phase lag entropy; BIS, bispectral index; propofol Ce, propofol target effect-site concentration. * P-value < 0.05 compared with BIS at the same time points for propofol Ce 0–6 μg/ml
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BMC Anesthesiology

ISSN: 1471-2253

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