Tympanometric Findings among Children with Adenoid Hypertrophy in Port Harcourt, Nigeria

Table 3

Comparing tympanogram in the case and control group.

Tympanometry	Case group		Control group
	Frequency	Percentage	Frequency	Percentage
A	60	44.1	115	84.5
B	40	29.4	5	3.7
C	36	26.5	16	11.8
Total	136	100	136	100