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Table 2 The effectiveness of each PIEB volume

From: Optimization of programmed intermittent epidural bolus volume for different concentrations of ropivacaine in labor analgesia: a biased coin up-and-down sequential allocation trial

PIEB bolus volume(mL)

Rate of effective analgesia n(%)

 

Group A(n = 52)

group B(n = 51)

7

0(0)

0(0)

8

1(50.00%)

6(50.00%)

9

1(25.00%)

23(88.46%)

10

17(70.83)

10(90.91%)

11

21(100.0%)

1(100.00%)

12

0(0)

0(0)