Table 1 Identified PASS cut-off points for pain visual analogue scales (mm) in different chronic rheumatic diseases
75th percentile approachROC approach
RA83635
Knee OA1032
Hip OA1035
AS75035
AS1133
  • AS, ankylosing spondylitis; OA, osteoarthritis; RA, rheumatoid arthritis; ROC, receiver operating characteristic