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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Anesthesiology. 2018 Sep;129(3):517–535. doi: 10.1097/ALN.0000000000002274

Fig. 5.

Fig. 5.

Pain relief after lumbar facet radiofrequency ablation stratified by treatment group. Data presented as means with error bars representing 1 SD. For outcomes, n = 45 for intraarticular group, 48 for medial branch group, and 42 for placebo group.