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Table 1

From: Expression of programmed death (PD)-1 and PD-1 ligands (PD-L1, PD-L2) in peripheral blood mononuclear cells of patients with systemic lupus erythematosus

  Disease group
  Healthy controls Systemic lupus erythematosus Rheumatoid arthritis Inflammatory disease
  Mean SEM Mean SEM Mean SEM Mean SEM
PD-1+ (%)         
   in CD3+ 0.6 0.2 0.4 0.1 1.6 0.6 0.5 0.1
   in CD19+ 1.7 0.9 1.4 0.3 0.9 0.4 1.1 0.4
   in CD25+ 3.0 1.0 2.4 0.7 3.3 1.6 8.5 3.4
PD-L1+ (%)         
   in CD3+ 2.8 1.2 4.1 0.9 2.3 0.5 2.0 0.6
   in CD19+ 3.9 1.3 5.1 0.9 3.7 1.0 11.3 8.0
   in CD14+ 5.1 2.0 14.0 5.4 2.9 0.9 5.7 3.2
PD-L2+ (%)         
   in CD3+ 0.6 0.2 0.5 0.1 0.5 0.2 0.4 0.0
   in CD14+ 2.0 0.5 1.4 0.3 1.1 0.5 1.2 0.1
  1. SEM, standard error of the mean. No statistically significant differences were observed.