[Retracted] Effects of the Ultrasound-Guided Stellate Ganglion Block on Hemodynamics, Stress Response, and Gastrointestinal Function in Postoperative Patients with Colorectal Cancer

Table 3

Comparison of the epinephrine levels before and 24 hours after anesthesia induction.

Group	Before induction of anesthesia (pg/ml)	24 hours after operation (pg/ml)
Control group (n = 50)	151.82 ± 32.11	219.05 ± 52.02
Research group (n = 50)	151.69 ± 32.03	175.03 ± 41.01
t value	0.020	4.699
value	0.984	<0.01

Note: the symbolrepresents the comparison of 24 hours before and 24 hours after anesthesia induction in this group, .