Table 5.

Adverse reactions in the two groups

Class	Observation group (n=37)	Control group (n=33)	χ2 value	P value
Postoperative blood loss	3 (8.11)	2 (6.06)	0.110	0.740
Torus tubarius injury	1 (2.7)	2 (6.06)	0.480	0.489
Nasal adhesion	1 (2.7)	1 (3.03)	0.007	0.935
Total incidence rate	5 (13.51)	5 (15.15)	0.038	0.845