Table 1.

Performance Measures (95% CI) Based on Optimal Threshold of ΔMBDA Score from BL to M3 Associated with DAS28-ESR Improvement

ImprovementDAS28-ESR (decrease >1.2)
YesNoTotal
MBDA (optimal threshold: improvement ≥8 points)Yes7527102
No245074
Total9977176
  • Sensitivity: 0.76 (0.66, 0.83); Positive predictive value: 0.74 (0.64, 0.81); Specificity: 0.65 (0.54, 0.75); Negative predictive value: 0.68 (0.56, 0.77).r Concordance rate: 71%.