The hearing of individuals with the m.1555A>G mutation is no different to that of the general population at age 44 45 years, in contrast to previous reports which suggested that hearing decreases with age in people with m.1555A>G; any such effect is not large and likely to be subject to previous ascertainment bias.
In relation to clinical outcome, 43 (70.5%) of the 61 patients fully recovered; 2 (3.3%) died (a 16-year-old woman and a 19-year-old man, both infected with serogroup C); 4 (6.6%) required amputations; 7 (11.5%) had severe scars; and 9 (14.8%) had other sequelae such as knee pain, neurologic sequelae, decreased hearing, decreased sensation at the extremities, and stiffness in hands.
Without stimulating the nerve directly, only the amplification of sound and the restoration of serviceable hearing may decrease the severity of tinnitus and the reactions resulting from the limbic and autonomic nervous system (Hazell & Jastreboff 1990).
Therefore, raised hearing levels, representing decreased hearing, are plotted lower on the pure-tone audiogram chart.
Should studies establish definitively that correcting hearing loss decreases the potential for early-onset dementia, we might finally overcome the stigma of hearing loss.
Hearing sensitivity decreases with age such that although only about 2% of individuals in their early twenties have a hearing loss, the prevalence of significant hearing impairment is 40 45% in persons over the age of 65 and exceeds 83% in persons over the age of 70 [ 10, 11].
I called the audiologist for an appointment and later found out that it was actually my hearing levels decreasing.
The hearing deterioration decreased to 41 dB after age-related correction.
This was to ensure the interval property of the outcome despite the fact that the incremental benefit of detecting a hearing problem decreases with time.
Thus, if the odds ratio for the association of diabetes and hearing impairment decreased after adjusting for a potential mediator, we interpreted this observation as evidence of partial mediation or partial confounding by this factor.
