Table 1 Patients’ Demographic and Clinical Data

Age, y

69.03 ± 6.87

69.60 ± 5.37

67.25 ± 5.83

P = 0.242

Sex, no. male/no. female

17/15

16/16

15/17

P = 0.623

BMI, kg/m²

22.81 ± 1.62

22.94 ± 1.50

22.44 ± 1.74

P = 0.357

ASA I/II/III

1/26/5

0/26/6

1/28/3

P = 0.525

Side of operation (right/left)

14/18

16/16

15/17

P = 0.591

Duration of surgery, min

91.44 ± 8.29

87.66 ± 9.68

84.81 ± 7.80

P = 0.121

Total remifentanil(mg)

1.18 ± 0.10

1.15 ± 0.05

1.13 ± 0.06

P = 0.013

Total propofol (mg)

210.59 ± 15.18

196.66 ± 13.84

187.50 ± 8.37

P = 0.001*