1 Defining the Ethyl Group The ethyl group is a group of compounds that has a significant contribution in the production of other compounds.2  The new compounds produced have various applications from whâ¦. Defining the Ethyl Group The ethyl group is a group of compounds that has a significant contribution in the production of other compounds. 2  The new compounds produced have various applications from whâ¦.
A much. higher incidence of dyslexia, usually between 30% and. 50% have been found amongst offenders compared with. and incidence of 10% in the general population. Yet. appropriate educational support of dyslexic of fenders. remains the exception rather than the rule. As a result, the BDA recently established work with.
If we look at scoliosis defined as a curvature of the spine in adults, it is prevalent in about 25% of the population. The actual incidence is probably not known; maybe about 500,000 patients have adult scoliosis in this country. In the adolescent age group the incidence is around 2% to 3% of the population, so if you extrapolate that figure, the incidence is probably going to be about 5% to 10% in the older population.