Table 2 Primary and secondary outcomes

Duration of sensory blockade (h)

[95% CI]

9.95 ± 1.05

[9.46–10.44]

12.8 ± 1.2*

[12.24–13.36]

15.55 ± 1.1*†

[15.04–16.06]

The onset of sensory blockade(min)

[95% CI]

18.05 ± 1.88

[17.17–18.93]

15.15 ± 1.18*

[14.6–15.7]

12.5 ± 1.05*†

[12.01–12.99]

Duration of motor blockade(h)

[95% CI]

8.45 ± 1.05

[7.96–8.94]

11.05 ± 1.28*

[10.45–11.65]

14.55 ± 1.1*†

[14.04–15.06]

The onset of motor blockade(min)

[95% CI]

20.75 ± 1.74

[19.93–21.57]

18.05 ± 1.43*

[17.38–18.72]

13.75 ± 1.02*†

[13.27–14.23]

Time to the first request for postoperative rescue analgesia (h)

6.27 ± 0.88

6.86 ± 0.94

12.18 ± 1.4*†

Total postoperative morphine sulfate needs (mg)

12.7 ± 0.92

9.9 ± 0.79*

5.8 ± 0.77*†

m-RSS 1st hour

2 ± 0

2 ± 0

3 ± 0*†

m-RSS2nd hour

2 ± 0

2 ± 0

3 ± 0*†

m-RSS 3^rd hour

2 ± 0

2 ± 0

2.95 ± 0.22*†

m-RSS 4thhour

2 ± 0

2 ± 0

2.85 ± 0.37*†