Table 3. Clinical, laboratory features and results of the ten patients with AAV who experienced relapse.

Patient NO.	Sex	Age (years)	Diagnosis	TI (months)	MPO-ANCA level			Peptides recognized
					Initial onset	Remission	Relapse	Initial onset	Remission	Relapse
1	F	63	MPA	13	115	43	73	P/L/H1/H2/H4	−	P/H1
2	M	68	MPA	34	98	100	115	P/H1	H4	P/L/H1/H4
3	F	65	MPA	19	62	27	20	P	−	P/H1
4	F	70	GPA	3	105	29	33	H1	L	−
5	M	44	MPA	25	158	146	148	L	−	−
6	F	65	MPA	8	20	71	115	H1/H2	−	H1
7	F	50	MPA	30	184	45	38	−	−	H4
8	M	71	GPA	49	88	39	170	P/H1/H2/H4	H1/H4	−
9	M	46	MPA	13	143	102	200	P/H2/H4	P/H4	P/H2/H4
10	M	52	MPA	34	92	172	116	P/H1/H2/H4	−	−

TI, time interval between the initial onset and the relapse of disease;

‘−’, negative for any fragment test.