[Retracted] Effects of Thoracic Paravertebral Block on Postoperative Anxiety and Depression for Patients Undergoing Thoracoscopic Lung Cancer Radical Surgery

Table 3

Comparison of the incidence of postoperative chronic pain at 1 year after surgery between the two groups.

Groups	TPVB group	Control group	Total		value
	9 (17.3%)	33 (58.9%)	42 (38.9%)	19.6537	0.0000
	43 (82.7%)	23 (41.1%)	66 (61.1%)
Total	52	566	108

TPVB: thoracic paravertebral block; LANSS: Leeds Assessment of Neuropathic Symptoms and Signs.