Fig. 2

The differences of TB Ag-NL levels between patients with SLE (N = 47), juvenile dermatomyositis (JDM, N = 50), or juvenile idiopathic arthritis (JIA, N = 96), and healthy controls (HC, N = 53). Data are expressed as medians, and the error bars indicate interquartile ranges. P < 0.05 represents the statistically significant