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Table 2 Comparison of automated and visual anti-nuclear antibody interpretation in a referral routine laboratory

From: Automated evaluation of autoantibodies on human epithelial-2 cells as an approach to standardize cell-based immunofluorescence tests

   Visual interpretation
   Positive Weak positive Negative Number (percentage)
Automated interpretation Positive 44 11 2 57 (19.1%)
  Weak positive 0 12 4 16 (5.4%)
  Negative 0 24 201 225 (75.5%)
  Number (percentage) 44 (14.8%) 47 (15.8%) 207 (69.4%) 298