Fig. 6From: Dexmedetomidine as an adjunct to local anesthetics in nerve block relieved pain more effectively after TKA: a meta-analysis of randomized controlled trialsA funnel plot of motor strength, sedation degree, the incidence of postoperative nausea and vomiting and total complications postoperatively. Dex: dexmedetomidine combined with local anesthetics; Con: local anesthetics aloneBack to article page