A Retrospective Analysis on the Effects and Complications of Endoscope-Assisted Transoral Approach and Lateral Cervical Approach in the Resection of Parapharyngeal Space Tumors

Table 4

Comparison of complications after surgical treatment (N, %).

Group	N	Occurrence of complications					Total incidence rate
		Nerve injury	Dysphagia	Difficulty in opening mouth	Massive hemorrhage	Salivary gland fistula
Control group	37	5 (13.51)	2 (5.41)	3 (8.11)	2 (5.41)	2 (5.41)	14 (37.84)
Observation group	32	2 (6.25)	1 (3.13)	1 (3.13)	1 (3.13)	0 (0.00)	5 (15.63)
χ^2							4.243
							0.039