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. 2015 Nov 13;94(45):e2005. doi: 10.1097/MD.0000000000002005

FIGURE 1.

FIGURE 1

The meta-analysis of 8 trials included showed that CLIA show superiority than placebo in terms of VAS score with rest at 24 hours after TKA; however, there is no statistical significance between CLIA and placebo in terms of VAS score with rest at 48 and 72 hours after TKA. The alphabet “a” represents that the VAS score was measured at noon, and “b” means the VAS score was measured at 24 at pm. CLIA = continuous local infiltration analgesia, TKA = total knee arthroplasty, VAS = visual analog scale.