Thus, (*) the 1997 data are based on a slightly different classification than the 2007 and 2002 data.
These three different classifications help determine how the disease will progress.
Also in 2009, the three different classifications of age groups among children, being 0-5, 6-11 and 12-17, were roughly equal.
A total of 6 events were contested over this distance for 14 different classifications.
As a result, there are many different classifications in use.
There are now over 5,000 football teams, playing in eight different age/weight classifications.
A total of 1 events was contested over this distance for 2 different classifications.
Within any activity one can find many very different classifications.
Over twenty different classifications that have been proposed since 1900.
One event was contested over this distance for two different classifications.