From: Comparison of ropivacaine combined with sufentanil for epidural anesthesia and spinal-epidural anesthesia in labor analgesia
CEA (n = 180)
CSEA (n = 180)
P value
Ropivacaine
39.88 ± 4.52
38.42 ± 3.16
< 0.001
Sufentanil
19.98 ± 6.66
16.01 ± 5.26