Fig. 2From: Comparison of single-injection ultrasound-guided thoracic paravertebral block with transversus abdominis plane block in peritoneal dialysis catheter implantation: a randomized controlled trialBoundaries of area with surgical anesthesia after a TPVB or TAP block. Note: each dot represented one patient whose lateral boundary of area with surgical anesthesia reaching to that line at that dermatome segmentBack to article page