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

Table 2

Comparison of the map value before and 24 hours after anesthesia induction.

Group	Before induction of anesthesia (mm Hg)	24 hours after operation (mm Hg)
Control group (n = 50)	95.19 ± 9.08	92.54 ± 9.19
Research group (n = 50)	95.24 ± 9.02	91.38 ± 9.12
t value	0.028	0.634
value	0.978	0.528

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