Table 3. Difference between Williams test Y-226 Hz between unilateral COM group and normal group
Postive (%)
Negative (%)
p-value
Normal (n=40)
23 (57.5)
17 (42.5)
0.039
Unilateral COM (n=33)
11 (33.3)
22 (66.7)
COM: chronic otitis media.