Table 3.

Shows the remission induction treatment given for those with ANCA-positive versus ANCA-negative disease

Remission Induction Treatment	ANCA Positive (n=114)	ANCA Negative (n=32)
IV methylprednisolone, n (%)	33 (29)	5 (15.6)
IV methylprednisolone mean dose, g (±SD)	1.5±0.63	1.5±0.76
Cyclophosphamide use, n (%)	104 (91)	22 (68.8)
Cyclophosphamide mean dose, g (±SD)	5.54±3.58	4.47±3.34
Rituximab use, n (%)	6 (5)	0
Rituximab mean dose, g (±SD)	1.9±0.2	0
Plasmapheresis, n (%)	23 (20)	3 (9)

IV, intravenous.