Fig. 3From: 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 pain scores at rest at 6, 12, 24, and 48 h postoperatively. Dex: dexmedetomidine combined with local anesthetics; Con: local anesthetics aloneBack to article page