[Retracted] Ultrasound Image-Guided Nerve Block Combined with General Anesthesia under an Artificial Intelligence Algorithm on Patients Undergoing Radical Gastrectomy for Gastric Cancer during and after Operation

Table 1

Basic data of patients in the two groups.

Group	Number	Age	Sex ()		BMI (kg/m^2)	Length of operation (h)	Bleeding volume (mL)
			Male	Female
General anesthesia group	80		51	29
Nerve block general anesthesia	80		48	32