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

Table 4 Between-group comparison of pre- and postoperative stress response indices

Group	Cases	Adrenaline (pg/mL)		Norepinephrine (pg/mL)		Dopamine (pg/mL)
		Pre-operation	Post-operation	Pre-operation	Post-operation	Pre-operation	Post-operation
Observationgroup	74	175.50 ± 34.43	210.20 ± 40.41a	191.20 ± 62.23	230.30 ± 65.58a	32.29 ± 9.92	54.49 ± 13.32a
Controlgroup	66	172.29 ± 32.20	260.40 ± 45.59a	194.40 ± 67.70	265.59 ± 68.82a	33.50 ± 10.03	64.49 ± 12.25a
t		0.568	-6.907	-0.291	-3.105	-0.717	-4.605
P value		0.571	0.000	0.771	0.002	0.475	0.000

^aP < 0.05 vs pre-operative.