No significant differences in the demographic characteristics, except for gender, and in comorbidities were found between the two groups. The number of endoscopic sinus surgery procedures with septoplasty and/or turbinoplasty, or tumor extirpation in the Non-packing group was significantly larger than that in the Packing group. There was no significant difference in the incidence of postoperative bleeding or postoperative adhesion between the two groups.