I have come to the belief over the years, that there are subsets of AS - distinct from the other Spondies.
Some of us are HLA-B27-.
Some of us have ESR numbers that don't elevate and our CRP is never very high either, even tho we're in flare.
And a third subset is people for whom starch is a factor; although, that might be more related to Enteropathic or Reactive Arthritis (both Spondies).
As is usual with AS, a person could have one or all of these factors, so really, who the heck knows!!
Hugs,
