[Retracted] Efficacy of Otomicroscopy Combined with Otoendoscopy Double-Lens Technology-Assisted Tympanic Membrane Repair on Elderly Patients with Chronic Suppurative Otitis Media

Table 1

Basic data of the three groups of patients.

Group	n	Male/female	Age (year)	Disease course (year)	Preoperative air-bone conduction difference (dBHL)	Cases of perforation diameter >5 mm (n)
Otomicroscopy group	40	22/18	65.14 ± 2.39	5.32 ± 1.89	22.11 ± 5.89	12
Otoendoscopy group	40	19/21	66.03 ± 2.71	5.14 ± 2.13	21.69 ± 6.44	9
Double-lens group	40	25/15	65.55 ± 2.39	5.71 ± 2.24	22.71 ± 5.13	11

There was no statistically significant difference in the basic data of the three groups of patients ().