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Table 6 Percent of OMERACT-OARSI responders in different patient populations

From: White blood cell concentration correlates with increased concentrations of IL-1ra and improvement in WOMAC pain scores in an open-label safety study of autologous protein solution

% Responders Week 1 Week 2 Week 4 Month 3 Month 6
Total Population 20.0 45.5 63.6 72.7 72.7
IL-1ra:IL-1β Ratio > 1000 28.6 71.4 71.4 100.0 85.7
WBC > 30 k/μl 28.6 71.4 71.4 100.0 85.7
  1. *Total population (n = 11), patients with APS whose IL-1ra:IL-1β ratio > 1000 (n = 7/9), and with WBC concentration in APS > 30 k/μl (n = 7/8)