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Fig. 3 | Journal of Otolaryngology - Head & Neck Surgery

Fig. 3

From: The 678 Hz acoustic immittance probe tone: a more definitive indicator of PET than the traditional 226 Hz method

Fig. 3

Comparison of middle ear compliance (MEC) between healthy ET and PET subjects at the 226 Hz probe tone frequency. The y-axis represents MEC, measured in mmho. The x-axis displays each respective group, with healthy ET represented by the blue bar, and PET represented by the red bar. It was found that the PET group had significantly higher MEC than the healthy ET group during testing with forced respiration (p = 0.02)

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