[Neuromancer]

As you point out these numbers are rather ethereal, however as a rule of thumb the group of people, known as long-term non-progressors — amount to between one and two percent of HIV-positive people in the United States

[JasonC]

Since they aren't a "long term" non-progressor unless they have not developed AIDs after being HIV positive for an extended period, comparing them to all HIV positive people in the U.S. doesn't exactly tell you anything. Because many HIV positive people haven't been HIV positive long enough to enter the category - while others progressed, but are no longer alive. It is an apples to oranges ratio. Most HIV positives who do not have AIDs aren't "long term non-progressors" - nor are they "long term progressors" i.e. people with AIDs (the last is a small population, and one that does not stick around terribly long). They are neither-nor, simple HIV positives. Also, the U.S. is hardly the only population of interest.