Fig. 2From: Tumor necrosis factor-α blockade in recurrent and disabling chronic sciatica associated with post-operative peridural lumbar fibrosis: results of a double-blind, placebo randomized controlled studyChanges in a radicular and b lumbar pain scores measured on a visual analog scale over time in patients receiving infliximab and placebo. Box-and-whisker plots represent results expressed in median and interquartile rangeBack to article page