Research Article

[Retracted] Clinical Effect of Ear Endoscopic Intervention on CMEC Patients and Analysis of the Relationship between ROS, P-Akt, and HIF-1α Expression and the Degree of Bone Destruction

Table 2

Comparison of hearing changes.

GroupBones poor guide (dbHL)Air guide valve level (dbHL)
Before the operation6 months after surgeryBefore the operation6 months after surgery

Microscope group (n = 36)32.47 ± 6.2549.86 ± 6.25
Ear endoscopy intervention group (n = 36)33.04 ± 6.8350.25 ± 6.93
T−0.3699.833−0.25110.497
0.713<0.0010.803<0.001