Table 1.

Demographic and clinical chemistry characteristics of human subjects

Characteristics	SLE patients		Healthy controls
	Train	Test	Train	Test
Sample numbers	35	10	35	13
Age mean ± SD [min, max]	46.0 ± 1.8 [25, 61]	39.9 ± 4.3 [18, 62]	43.5 ± 2.4 [22, 68]	42.7 ± 1.9 [20, 56]
BMI (kg/m2) mean ± SD [min, max]	21.5 ± 0.6 [16.4, 28.8]	21.2 ± 1.2 [18.3, 27.7]	22.1 ± 1.0 [20.5, 27.7]	21.6 ± 0.2 [20.6, 25.8]
ESR (mm/h) ± SD [min, max]	14.8 ± 3.3 [3, 38]	14.6 ± 3.9 [8, 46]	6.9 ± 0.6 [4, 15]	7.2 ± 0.4 [3, 12]
SLEDAI ± SD [min, max]	7.5 ± 0.5 [3, 14]	6.7 ± 0.8 [4, 10]	–	–
Disease duration (years) ± SD [min, max]	7.9 ± 1.2 [1, 28]	5.0 ± 1.6 [1, 16]	–	–