Table 3 Spearman rank correlations between the total Spondyloarthritis Research Consortium of Canada (SPARCC) enthesitis score and measures of disease activity, function and quality of life in ankylosing spondylitis patients
BASDAIBASDAI Item 4*Patient globalBASFIASQOLHip involvement
SPARCC Enthesitis Index
    R Value0.400.360.420.400.480.17
    p Value<0.001<0.001<0.001<0.001<0.0010.02
  • *Item 4 of the BASDAI is the self-reported item that measures the degree of discomfort from areas tender to touch or pressure.

  • ASQOL, Ankylosing Spondylitis Quality of Life instrument; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index.