Table 2

Results of otoscopic examination and audiological evaluation


Otoscopic examination
 Pure tone average (dBHL)
 Tympanogram


Group
 Age
 Right Ear
 Left Ear
 Right Ear
 Left Ear
 Right Ear
 Left Ear
Control
 3 yrs
 Normal
 Normal
 12.66
 13.18
 A
 A

4 yrs
 Normal
 Normal
 11.84
 12.18
 A
 A

5 yrs
 Normal
 Normal
 11.74
 11.94
 A
 A
Experimental
 3 yrs
 Normal
 Normal
 12.93
 12.53
 A
 A

4 yrs
 Normal
 Normal
 13.66
 13.18
 A
 A

5 yrs
 Normal
 Normal
 11.22
 12.28
 A
 A

Note. Pure tone average was average of thresholds at 500 Hz, 1 kHz, 2 kHz and 4 kHz.

Maruthy and Mannarukrishnaiah Behavioral and Brain Functions 2008 4:17   doi:10.1186/1744-9081-4-17