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Table 4 Positive results for PNC assay, CLIFT, ANA, and combination of PNC and CLIFT

From: The assessment of serum-mediated phagocytosis of necrotic material by polymorphonuclear leukocytes to diagnose and predict the clinical features of systemic lupus erythematosus: an observational longitudinal study

Test result Area under the curve 95 % confidence interval
Lower bound Upper bound
PNC+ 0.58 0.50 0.66
CLIFT+ 0.64 0.56 0.72
ANA+ 0.70 0.65 0.76
PNC+CLIFT+ 0.57 0.49 0.65
  1. ANA anti-nuclear antibodies, CLIFT Crithidia luciliae immunofluorescence test, PNC phagocytosis of necrotic cell material