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

Ain-Shams Journal of Anesthesiology

Table 6 Comparison between groups as regard complications

Complications	TPVB group (n = 40)	ESPB group (n = 40)	χ²	p value
Pneumothorax	1 (2.5%)	0 (0%)	1	0.3
Hematoma	0 (0%)	0 (0%)	No statistics are computed because no cases were detected
LA toxicity	0 (0%)	0 (0%)
Respiratory depression	0 (0%)	0 (0%)
PONV	3 (7.5%)	2 (5%)	0.2	0.65

Data represented as a percentage, χ² = chi-square test, ESPB Erector spinae plane block, TPVB Thoracic paravertebral block, LAT Local anesthetic toxicity