Table 1 Descriptive data of enrolled patients

Number of patients

10

10

10

Age, years

55 (± 18.4)

49 (± 16.4)

65 (± 18.2)

0.142

Female gender

8/10

7/10

7/10

Heart rate

63 (± 12.7)

62 (± 10.1)

71 (± 10.3)

0.176

Systolic blood pressure, mmHg

109 (± 18.5)

100 (± 37.7)

100 (± 17.9)

0.661

Diastolic blood pressure, mmHg

67 (± 10.0)

63 (± 11.6)

68 (± 6.4)

0.510

Patient state index

31 (± 3.9)

28 (± 3.7)

40 (± 8.5)

< 0.001*

Spectral edge frequency, Hz

12.5 (± 1.8)

11.1 (± 1.3)

16.4 (± 3.1)

< 0.001*