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Fig. 4 | Arthritis Research & Therapy

Fig. 4

From: Plasma C4d as marker for lupus nephritis in systemic lupus erythematosus

Fig. 4

Temporal association of C4d, C3, and C4 with lupus nephritis in the longitudinal study. a Temporal association with LN of high C4d (>1.1 mg/L), low C3 (<0.77 g/L), and low C4 (<0.12 g/L) levels alone as well as in combination with the presence of anti-double-stranded DNA (anti-dsDNA) antibodies for all 69 patients within the chosen time interval of 70±30 days. b Temporal association with LN for high C4d, low C3, and low C4 levels for the 19 relapse patients within the chosen time interval. Significance was calculated using a generalized estimating equation, and the ORs are indicated with a dot connected to the 95% CI. Significant ORs are shown in bold and marked in red

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