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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Arthritis Rheumatol. 2019 Aug 6;71(9):1400–1412. doi: 10.1002/art.40930

Table 4.

Operating characteristics of the new classification criteria compared to the ACR 1997 and SLICC 2012 classification criteria in the derivation and the validation cohorts.

ACR 1997 criteria SLICC 2012 criteria EULAR/ACR 2019 criteria
Derivation
Sensitivity [95% CI] 0.85 [0.81-0.88] 0.97 [0.95-0.98] 0.98 [0.97-0.99]
Specificity [95% CI] 0.95 [0.93-0.97] 0.90 [0.87-0.92] 0.96 [0.95-0.98]
Combined [95% CI] 1.80 [1.76-1.83] 1.87 [1.84-1.90] 1.94 [1.92-1.96]
Validation
Sensitivity [95% CI] 0.83 [0.80-0.85] 0.97 [0.95-0.98] 0.96 [0.95-0.98]
Specificity [95% CI] 0.93 [0.91-0.95] 0.84 [0.80-0.87] 0.93 [0.91-0.95]
Combined [95% CI] 1.76 [1.73-1.80] 1.80 [1.77-1.84] 1.90 [1.87-1.92]

ACR American College of Rheumatology, SLICC Systemic Lupus International Collaborating Clinics, CI Confidence Intervals