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. 2019 Feb 18;21:62. doi: 10.1186/s13075-019-1836-8

Fig. 2.

Fig. 2

RF-IgM were found to be significantly increased in the SSA/SSB+ SLE subgroup compared to aPL+ subgroup (p = 1.3E-7). The levels of RF-IgM comparing the two subgroups are shown in (a), and the ROC curve are shown in (b) with an AUC of 0.79