Abstract
<p class="abstract"><strong>Background:</strong> The aim of the study was to assess the degree of hearing loss with the pattern of tympanic membrane perforation in tubotympanic type of chronic suppurative otitis media (CSOM TTD).</p><p class="abstract"><strong>Methods:</strong> This is a descriptive study conducted at Father Muller Medical College, Department of Otorhinolaryngology from Oct 2016 till Feb 2017.110 cases aged between 20-50 years with CSOM TTD were included in the study. Detailed clinical examination and history was carried out followed by hearing evaluation by pure tone audiometry. All the data collected was statistically analyzed. </p><p class="abstract"><strong>Results:</strong> 110 patients with 137 perforated tympanic membrane, aged between 20 to 50 years, were included in the study. Large central perforation involving all the four quadrants was the most common otologic findings. Significant correlation observed between size of perforation and degree of hearing loss (p value- 0.018) and no significant relation is observed between site of perforation and degree of hearing loss (p=0.107).</p><p class="abstract"><strong>Conclusions:</strong> The larger the perforation, the greater the decibel loss in sound perception. The location of perforation does not have significant effect on magnitude of hearing loss.</p>
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