A 3% margin of error means that if the same procedure is used a large number of times, 95% of the time the true population average will be within the 95% confidence interval of the sample estimate plus or minus 3%.
The latter is a fairly common problem which is associated with people who have the condition known as hypothyroidism. Despite what many people think, tinnitus is actually just a symptom of a larger underlying problem. Hypothyroidism is just one of the many health problems which can cause tinnitus to become a problem. In most cases when the thyroid dysfunction is treated, the tinnitus will resolve itself. There have been some cases of people with this condition who suffer from long-term tinnitus, though that is usually not the case.
Your rushing noise in ear doesnât have to make your life miserable. Visit an ENT specialist to really know what the cause of your tinnitus, then you can choose from the wide range of products available that will best suit you. There are even alternative therapies, such as hypnosis, to help you deal with tinnitus.