[Retracted] Opioid-Free Labor Analgesia: Dexmedetomidine as an Adjuvant Combined with Ropivacaine

Table 3

Quality of labor analgesia and adverse reactions.

	Group S (n = 51)	Group D (n = 40)	value
The duration of first epidural infusions (min)	68 (60 to 80)	115 (90 to 130)	<0.01
Requiring additional PCEA bolus, n (%)	25 (49.0)	11 (27.5)	0.037
Pruritus, n (%)	6 (11.8)	0 (0)	0.033
Nausea or vomiting, n (%)	3 (5.9)	1 (2.5)	0.682
Fever, n (%)	4 (7.8)	1 (2.5)	0.380

Date are reported as median (interquartile range) or n (%) of the group.  < 0.05 is considered statistically significant.