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

Table 4

Comparison of cortisol levels before and 24 hours after anesthesia induction.

Group	Before induction of anesthesia (ng/ml)	24 hours after operation (ng/ml)
Control group (n = 50)	82.12 ± 18.39	174.19 ± 39.25
Research group (n = 50)	82.14 ± 18.44	129.23 ± 30.35
t value	0.005	6.408
value	0.996	<0.01

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