Table 2 Comparison of use of remifentanil and propofol and quality of anesthetic recovery between the two groups (mean ± SD)

Use of remifentanil

 Adjustment frequency of target concentration (times/surgery)

2.9 ± 1.9^a

2.0 ± 0.2^a

0.009^a

 Infusion duration (h)

1.1 ± 0.6

1.3 ± 0.7

0.428

 Mean dose (μg kg^-1 h^-1)

3.8 ± 1.9

3.2 ± 1.2

0.003

Use of propofol

 Adjustment frequency of target concentration (times/surgery)

3.0 ± 2.0^a

3.0 ± 1.9^a

0.444^a

 Infusion duration (h)

1.6 ± 0.5

1.9 ± 0.6

0.523

 Mean dosage (μg kg^-1 h^-1)

8.8 ± 1.1

8.3 ± 1.0

0.903

Quality of anesthetic recovery

 Voluntary eye opening (min)

5.4 ± 3.1

6.2 ± 2.3

0.782

 Extubation time (min)

9.8 ± 6.1

9.3 ± 5.7

0.816

 Awakening score

3.9 ± 0.7

4.0 ± 0.9

0.960