Comparative analysis of the 2 evaluations revealed highly significant differences between the right ear at age 0–2 weeks (first evaluation) and the same ear at age 2–3 months (second evaluation), as well as between the left ear at age 0–2 weeks and the same ear at age 2–3 months, in terms of the resonant frequency of the middle ear, with the mean resonant frequencies of the second evaluation being consistently higher than those in the first ( Graph 1 ).
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The sentences
The comparison between the right and left ears in the first evaluation revealed a trend toward significance.