Table 1.

Clinical, demographic and immunologic data and indices of renal disease features among MPO-AAV patients

Demographic data
	Patient number	44
	Sex (f/m)	14/30
	Agea (years)	67±2
Renal involvement
	Serum creatininea (µmol/l)	395±53
	eGFRa (ml/min per 1.73 m2)	21.6±2.4
	Proteinuriaa,b (g/day)	1.8±0.4
	RBCa,c (urine cells/hpf)	547±682
Extra renal involvement
	Lung or upper respiratory tract or skin or arthralgia presenting creatinine	15/44
Immunologic data
	ANCA (MPO) titera (U/ml)	134±16
	CRPd (mmol/l)	70±13.9

^aReported as mean±SEM.

^bUrinary total protein over 24 hours.

^cRed blood cell excretion.

^dCRP on admission.