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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%)