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Table 4 Contingency table of loLAP or hiLOP scores and disease activity at week 24

From: A combination of cellular biomarkers predicts failure to respond to rituximab in rheumatoid arthritis: a 24-week observational study

  loLAP hiLOP  
DAS28 ≤ 3.2 14 1 Sensitivity: 93.3 %
DAS28 > 3.2 16 13 Specificity: 44.8 %
  PPV: 46.7 % NPV: 92.9 %  
  1. hiLOP high number of total lymphocyte count or plasmablasts, loLAP low number of total lymphocyte count and plasmablasts, DAS28 disease activity score in 28 joints; PPV positive predictive value, NPV negative predictive value