IFNA1 and systemic lupus erythematosus: Moreover, the IFN score was unrelated to GAPSS across the APS spectrum (aPL: r = 0.224, p = 0.261; PAPS: r = 0.028, p = 0.880; SAPS: r = -0.026, p = 0.907; and SLE: r = -0.276, p = 0.214).