MEG3 and lupus nephritis: Urinary lnc-MGC level was marginally elevated in lupus nephritis compared to the control group (1.37 [IQR 0.65–57.37] vs. 0.63 [IQR 0.25–1.40] copies, p = 0.053), while urinary MEG3 levels were similar (0.52 [IQR 0.13–2.01] vs. 1.05 [0.25–5.03] copies, p = 0.3).