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Table 2 Comparison between groups as regard type of surgery

From: Comparative study between ultrasound-guided erector spinae plane block and thoracic paravertebral block for postoperative analgesia after video-assisted thoracic surgery: an equivalence study

Type of surgery

TPVB group

(n = 40)

ESPB group

(n = 40)

χ2

p value

Decortication

4 (10%)

3 (7.5%)

1.36

0.998

Drainage of effusion

1 (2.5%)

1 (2.5%)

Drainage of lung abscess

4 (10%)

3 (7.5%)

Lobectomy

6 (15%)

9 (22.5%)

Lung biopsy

9 (22.5%)

8 (20%)

Lymph node biopsy

2 (5%)

1 (2.5%)

Pleural biopsy

3 (7.5%)

3 (7.5%)

Segmentectomy

3 (7.5%)

3 (7.5%)

Thymectomy

2 (5%)

2 (5%)

Wedge resection

6 (15%)

7 (17.5%)

  1. Data represented as a percentage, χ2 = chi-square test, ESPB Erector spinae plane block, TPVB Thoracic paravertebral block