Fig. 2. Changes in median values of sensory analgesia before and after subcutaneous injection of bupivacaine microcapsules with dexamethasone (—) and bupivacaine microcapsules without dexamethasone (- - - -). #P < 0.05 compared with baseline in dexamethasone group and *P < 0.05 in the group not receiving dexamethasone.