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Table 5 Performance measures for ACR 1997, SLICC and new EULAR/ACR criteria, at 1-year-follow-up

From: Comparison among ACR1997, SLICC and the new EULAR/ACR classification criteria in childhood-onset systemic lupus erythematosus

Classification System Cut-off point Sensitivity (IC 95%) Specificity (IC 95%) PPV (%) NPV (%) Cut-off point accuracy (IC 95%)
ACR 1997 ≥ 4 criteria 95.1 76.4 84.7 91.9 87.2
(89.6–98.2) (66.2–84.8)    (81.9–91.4)
EULAR/ACR Total score ≥ 10 95.1 58.4 75.8 89.7 79.6
(89.6–98.2) (47.5–68.8)    (73.6–84.8)
Total score ≥ 13 91.0 83.2 88.1 87.1 87.7
(84.4–95.4) (73.7–90.3)    (82.5–91.8)
SLICC ≥ 4 criteria 97.5 76.4 85.0 95.8 88.6
(93.0–99.5) (66.2–84.8)    (83.6–92.6)
  1. IC 95–95% confidence interval, PPV positive predictive value, NPV negative predictive value, ACR American College of Rheumatology, SLICC Systemic Lupus International Collaborating Clinics criteria, EULAR/ACR European League Against Rheumatism (EULAR)/ACR