Impact of thoracic paravertebral block and sufentanil on outcomes and postoperative cognitive dysfunction in thoracoscopic lung cancer surgery

Table 1 Comparison of baseline data

Factors		TPVB group (n = 57)	Control group (n = 50)	χ2/t test	P value
Age				0.633	0.426
	≥ 60 years	31	31
	< 60 years	26	19
Sex				0.342	0.558
	Male	31	30
	Female	26	20
Pathological stage				1.219	0.543
	I	17	20
	II	28	21
	III	12	9
Pathological type				0.587	0.443
	Squamous cell carcinoma	27	20
	Adenocarcinoma	30	30
Operation time		147.35 ± 15.70	148.44 ± 13.30	0.384	0.701
Intraoperative blood loss (mL)		141.05 ± 54.49	131.14 ± 53.54	0.946	0.346
History of diabetes				0.679	0.409
	Yes	10	12
	No	47	38
History of hypertension				1.153	0.282
	Yes	14	17
	No	43	33

TPVB: Thoracic paravertebral block.