[Retracted] Clinical Effect Analysis of Laparoscopic Surgery for Gastric Tumor under Data Mining

Table 1

Comparison of perioperative indexes between the two groups.

Group	The operation time (min)	Intraoperative blood loss (mL)	The length of time (d)
Observation group	159.4 ± 13.07	172.45 ± 24.57	6.51 ± 1.29
The control group	172.46 ± 12.45	183.76 ± 24.32	7.56 ± 1.42
T value	4.62	2.15	3.59
value	<0.05	<0.05	<0.05