New validated BASDAI cut offs. BASDAI values of <2, <4 and >6 are often applied as cut-offs between remission, low (LDA), high (HDA) and very high (VHDA) disease activity, respectively, although this remains unvalidated. The optimal BASDAI values against external criteria were… https://t.co/5cvWoddHaN https://t.co/oBwYmFsIga