Application of total thoracoscopic ultrasonic scalpel resection in esophageal cancer patients

Table 7 Comparison of complication rates between the two groups, n (%)

Group	n	Intraoperative iatrogenic injuries	Chylothorax	Anastomotic fistula	Massive hemorrhage	Pleural effusion	Infections in the lungs and other systems	Overall incidence
Observation group	66	0 (0)	2 (3.03)	1 (1.52)	0 (0)	2 (3.03)	1 (1.52)	6 (7.58)
Control group	61	2 (3.28)	2 (3.28)	4 (6.56)	2 (3.28)	1 (1.64)	2 (3.28)	13 (21.31)
χ2								4.917
P value								0.027