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. Author manuscript; available in PMC: 2023 Dec 11.
Published in final edited form as: Arthritis Care Res (Hoboken). 2021 Jul 14;73(9):1231–1235. doi: 10.1002/acr.24263

Table 2.

Sensitivity and specificity of 4 different systemic lupus erythematosus classification rules based on physician diagnoses of patient scenarios*

Sensitivity
(n = 349)		 Specificity
(n = 341)		 Overall agreement
(n = 690)		 Kappa
Classification rule No. (%) 95% CI No. (%) 95% CI No. (%) 95% CI (chance-adjusted agreement)
Revised ACR 1997 290 (83) 79–87 326 (96) 93–98 616 (89) 87–92 0.79
SLICC 2012 340 (97) 96–99 288 (84) 81–88 628 (91) 89–93 0.82
EULAR/ACR 2019 317 (91) 88–94 302 (89) 85–92 619 (90) 87–92 0.79
Weighted SLICC 2012 310 (89) 86–92 304 (89) 86–92 614 (89) 87–91 0.78
*

95% CI = 95% confidence interval; ACR = American College of Rheumatology; EULAR = European Alliance of Associations for Rheumatology; SLICC = Systemic Lupus International Collaborating Clinics.