Figure 1From: Geographical distribution, a risk factor for the incidence of lupus nephritis in China The characteristics of the study centers included in the analyses. The distribution of the studies in China (A), the study period, from the beginning to the end, for all renal diseases (B), the ratio of the number of females to males in all cases of renal disease (C) and the ratio of the number of females to males in LN disease (D).Back to article page