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Table 2 Surgery type in both groups

From: Ultrasound-guided erector spinae block for postoperative analgesia in thoracotomy patients: a prospective, randomized, observer-blind, controlled clinical trial

Surgery Type Group ESP Group C Test p value
Pulmonary resection (pneumonectomies, lobectomies, segmentectomies) 7 (23.33%) 10 (33.33%) χ2 = 1.59 0.8
Decortications 5 (16.66%) 3 (10%)
Lung cyst excision 3 (10%) 2 (6.66%)
Mediastinal mass 2 (6.66%) 1 (3.33%)
Others 13 (43.33%) 14 (46.66%)
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