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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2018 Apr 25;70(6):813–822. doi: 10.1002/acr.23557

Table 2.

Change of Descriptors in Relationship to cSLE Disease Course

Flare Descriptors Rule Mean ± SE Adjusted p-value
(1)
Improved/No change
(2)
Minor Flare
(3)
Moderate Flare
(4)
Major Flare
(1) vs. (2) (2) vs. (3) (3) vs. (4)
ESR Majority rule −0.02 ± 1.30 8.81 ± 1.34 22.80 ± 1.38 28.99 ± 1.68 <0.0001 <0.0001 0.023
67% rule 0.54 ± 1.58 7.28 ± 2.07 31.95 ± 2.39 35.34 ± 2.41 0.048 0.000 0.749
MD global of disease activity Majority rule 0.66 ± 0.50 3.05 ± 0.52 5.92 ± 0.53 7.95 ± 0.65 0.005 0.001 0.075
67% rule 0.76 ± 0.60 2.70 ± 0.79 7.74 ± 0.91 9.79 ± 0.92 0.210 <0.0001 0.392
Protein-creatinine ratio Majority rule 0.02 ± 0.07 0.10 ± 0.07 0.66 ± 0.07 1.44 ± 0.08 0.843 <0.0001 <0.0001
67% rule 0.03 ± 0.07 0.02 ± 0.09 0.64 ± 0.11 1.61 ± 0.11 1.000 <0.0001 <0.0001
SLEDAI Majority rule 1.81 ± 0.26 4.58 ± 0.28 8.45 ± 0.29 16.00 ± 0.36 0.000 <0.0001 <0.0001
67% rule 1.56 ± 0.35 4.63 ± 0.48 9.98 ± 0.56 19.88 ± 0.55 0.000 <0.0001 <0.0001
BILAG Majority rule 3.12 ± 1.08 7.76 ± 0.93 15.19 ± 0.95 24.19 ± 1.15 0.007 <0.0001 <0.0001
67% rule 1.79 ± 1.34 8.63 ± 1.50 15.64 ± 1.61 28.71 ± 1.75 0.005 0.010 <0.0001
SLEDAI-based Flare Algorithm Majority rule −0.23 ± 0.17 1.66 ± 0.18 4.79 ± 0.19 9.88 ± 0.23 <0.0001 <0.0001 <0.0001
67% rule −0.34 ± 0.21 1.67 ± 0.29 5.84 ± 0.34 12.34 ± 0.34 <0.0001 <0.0001 <0.0001
BILAG-based Flare Algorithm Majority rule 0.40 ± 0.56 3.00 ± 0.48 7.10 ± 0.49 11.96 ± 0.60 0.003 <0.0001 <0.0001
67% rule −0.11 ± 0.66 3.49 ± 0.76 8.23 ± 0.79 15.05 ± 0.88 0.003 <0.0001 <0.0001

Values presented are changes in means (standard deviation) adjusted for multiple comparisons using the Tukey’s method.