Table 3.

Clinical characteristics of patients with AE of CVD-IP.

No.	Underlying disease	Age (years), sex	Smoking status	Histological pattern	Duration between diagnosis of IP and AE, months	Activity of underlying CVD at AE	Treatment before AE	Treatment for AE	Outcome
1	RA	57, female	Former	UIP	99	Stable	Bucillamine	MPSL, PSL CPA, CsA	Died
2	RA	63, male	Current	UIP	86	Stable	Mizoribine	MPSL, PSL CPA	Died
3	RA	65, male	Former	NSIP	129	Stable	PSL (10 mg/day)	PSL	Died
4	RA	68, male	Former	NSIP	31	Stable	Bucillamine	MPSL, PSL CPA	Died
5	RA	69, male	Current	Unclassifiable	52	Stable	Bucillamine	MPSL, PSL	Survived
6	pSS	72, female	Never	UIP	2	Stable	None	MPSL, PSL CPA, CsA	Died

IP, interstitial pneumonia; AE, acute exacerbation; PSL, prednisolone; MPSL, methylprednisolone; CPA, cyclophosphamide; CsA, cyclosporine.