CD163 and necrotizing vasculitis: Interestingly, the level of urinary CD163 in granulomatous vasculitis [median 86.95, IQ (41.99 and 184.82)] was significantly higher than that in necrotizing vasculitis [median 45.73, IQ (21.43 and 74.43)], p = 0.016 (Figure 2(b)).