Fig. 5From: Comparative study between ultrasound-guided erector spinae plane block and thoracic paravertebral block for postoperative analgesia after video-assisted thoracic surgery: an equivalence studyBar chart between groups as regards intraoperative HR. TPVB: thoracic paravertebral block, ESPB: erector spinae plane block, *: the statistically significant difference (p < 0.01)Back to article page