Table 2

(A) Spearman’s rank correlation coefficients between SSPGA and LFA-REAL and SLEDAI and BILAG. (B) Spearman’s rank correlation coefficients between changes (Δ) in SSPGA and LFA-REAL and changes (∆) SLEDAI and BILAG. (C) Area under the curve (AUC) of SSPGA and LFA-REAL in discrimination of SRI or BICLA response

A. Spearman’s rank correlation coefficients
n=528	SLEDAI	BILAG
SSPGA	0.742	0.776
LFA-REAL	0.776	0.813

B. Spearman’s rank correlation coefficients
n=478	ΔSLEDAI	ΔBILAG
ΔSSPGA	0.681	0.624
ΔLFA-REAL	0.701	0.700

C. Area under the curve
n=478	SRI-4	BICLA
ΔSSPGA	0.895	0.913
ΔLFA-REAL	0.876	0.852

BICLA, BILAG-Based Combined Lupus Assessment; BILAG, British Isles Lupus Assessment Group Index; LFA-REAL, Lupus Foundation of America-Rapid Evaluation of Activity in Lupus; SLEDAI, SLE Disease Activity Index; SRI, SLE Responder Index; SSPGA, SELENA SLEDAI Physician’s Global Assessment.