Table 4

Sensitivity, specificity, positive likelihood ratios and calculated cut-offs for each test by use of a cost function (weighting of 5)

Sensitivity (%)Specificity (%)Positive likelihood ratioCalculated cut-off
6 months Δ mTSS >0
12 months Δ mTSS >0
6 months Δ erosion score >0
12 months Δ erosion score >0
  • anti-CCP, anti-cyclic citrullinated peptide; mTSS, modified total Sharp score; RF, rheumatoid factor.