C4A and Hypertension: According to the univariable analysis, the following clinicopathological variables were identified as potential prognostic factors: sex, age, hypertension, proteinuria, renal function (i.e., eGFR), serum uric acid, IgA, C3, C4, and fibrinogen, administration with RASI, deposition of fibrinogen, M, S, T, C, and ratios of global sclerosis (Table 2).