Table 3 Comparison of primary and secondary outcomes between the two groups

 Surgical space measurement (cm)

16.03 ± 2.17

16.37 ± 2.78

 Surgical rating score (1/2/3/4/5 points)

0/0/1/5/34

0/0/0/5/35

0.717

 Rocuronium bromide (mg)

83.6 ± 3.6

69.2 ± 3.1

0.003

 Remifentanil (mg)

0.99 ± 0.08

1.01 ± 0.08

0.435

 Propofol (mg)

510 ± 35.7

524 ± 32.8

0.770

 Sufentanil (μg)

46 ± 1.2

43 ± 1.9

0.202

 Colloid (mL)

1081 ± 53.3

906 ± 86.6

0.089

 Crystal (mL)

1791 ± 63.5

1605 ± 76.3

0.065

 Urine volume (mL)

566 ± 75

535 ± 55

0.737

 Blood loss (mL)

150 ± 20

145 ± 18

0.853

 Operation time (min)

146.7 ± 7.7

141.9 ± 8.6

0.676

 Anesthesia time (min)

171.3 ± 7.8

170.4 ± 9.2

0.939

 Pneumoperitoneum time (min)

106.3 ± 6

103.2 ± 7

0.747

 Anesthesia induction

104.8 ± 12.5

105.6 ± 17.8

0.800

 Operation for 1 h

107.1 ± 9.1

108.4 ± 11.7

0.595

 Operation for 2 h

107.5 ± 10.0

103.4 ± 19.2

0.240

 After operation

109.63 ± 10.2

108.8 ± 12.7

0.736

 Anesthesia induction

62.6 ± 10.1

63.9 ± 8.8

0.526

 Operation for 1 h

62.7 ± 6.3

66.2 ± 8.0

0.320

 Operation for 2 h

61.6 ± 8.1

62.0 ± 6.6

0.799

 After operation

61.4 ± 7.6

62.6 ± 7.9

0.481

 Anesthesia induction

65.4 ± 9.4

63.0 ± 9.4

0.262

 Operation for 1 h

65.1 ± 9.2

60.3 ± 5.6

0.08

 Operation for 2 h

65.8 ± 9.1

63.2 ± 6.6

0.16

 After operation

65.0 ± 8.1

64.0 ± 7.2

0.569

 Extubation time (min)

16.83 ± 4.97

11.06 ± 4.33

0.001

 Total time in PACU (min)

34.63 ± 5.42

26.48 ± 5.21

0.001

 Apnea immediately after extubation (n)

2

1

1.000

 SpO2 < 93% immediately after extubation

4

5

1.000

 Apnea within 30 min of extubation

0

0

 SpO2 < 93% within 30 min of extubation

0

0

 1 h post

2.73 ± 0.93

1.67 ± 0.94

0.001

 4 h post

3.58 ± 0.71

2.73 ± 0.60

0.001

 8 h post

4.10 ± 0.78

3.88 ± 0.88

0.230

 Total bolus times within 24 h

10.40 ± 1.92

8.28 ± 1.72

0.001