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Table 2 Results of otoscopic examination and audiological evaluation

From: Effect of early onset otitis media on brainstem and cortical auditory processing

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