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 2

comparison of postoperative drainage and hospital stay ().

Group	N	Drainage volume (mL)	Hospitalization time (d)
Control group	37	24.05 ± 6.91	6.38 ± 1.54
Observation group	32	15.78 ± 6.43	5.50 ± 1.28
t		5.119	2.557
		<0.01	0.013