Table 2: Sensitivity and specificity of the ACR score and of the Avise Lupus test.

	Physician diagnosis of SLE (n=24)
	ACR score ≥ 4	ACR score 1 to 3	Cases	Controls
Number of patients	10	14	20	4
Sensitivity	ACR score: 41.7%		Avise Lupus test: 83.3%
	Physician diagnosis different from SLE, or no diagnosis (n=22)
	ACR score ≥ 4	ACR score 1 to 3	Cases	Controls
Number of patients	4	18	3	19
Specificity	ACR score: 81.8%		Avise Lupus test: 86.4%