Ultrasound-guided paravertebral nerve block anesthesia on the stress response and hemodynamics among lung cancer patients

Table 1 Between-group comparison of clinical data, n (%)

Clinical data	Observation group (n = 74)	Control group (n = 66)	t/χ2	P value
Sex			1.134	0.287
Male	48 (64.86)	37 (56.06)
Female	26 (35.14)	29 (43.94)
Age (yr)	54.40 ± 9.92	53.19 ± 8.82	0.759	0.449
Body mass index (kg/m2)	22.27 ± 3.02	22.14 ± 2.83	0.262	0.794
Karnofsky score (Points)	82.20 ± 9.92	83.03 ± 8.95	-0.517	0.606
ASA			0.078	0.780
I	42 (56.76)	39 (59.09)
II	32 (43.24)	27 (40.91)
TNM			0.586	0.444
I	44 (59.46)	35 (53.03)
II	30 (40.54)	31 (46.97)
Pathological type			0.023	0.88
Adenocarcinoma	48 (64.86)	42 (63.64)
Squamous cell carcinoma	26 (35.14)	24 (36.36)

ASA: American Society of Anesthesiologists; TNM: Tumor node metastasis.