Table 1.

Presurgical diagnosis (D), gender (G), surgical procedure (P) and age (A) of 28 lung allograft recipients, paired into a group with (a) one episode of mild acute rejection (AR) and a group without acute rejection (controls); and into a group with (b) obliterative bronchiolitis (OB) and a group without OB (controls)

Pair No.	D	G	P	A	D	G	P	A
(a)	Controls				AR
1	PPH	F	Bilateral lung	40	PPH	M	Bilateral lung	53
2	ES	F	Heart–lung	40	PPH	F	Bilateral lung	43
3	Alpha-1 AT	M	Single lung	50	Alpha-1 AT	M	Single lung	50
4	COPD	F	Single lung	54	COPD	F	Single lung	56
5	Alpha-1 AT	F	Single lung	43	Alpha-1 AT	M	Single lung	46
6	CF	M	Bilateral lung	30	CF	F	Bilateral lung	23
7	COPD	F	Single lung	51	COPD	F	Single lung	52
	Ratio	5F/2 M	Median age	43	Ratio	4F/3M	Median age	50

(b)	Controls				OB
1	CF	F	Bilateral lung	28	CF	M	Bilateral lung	25
2	PPH	M	Bilateral lung	29	PPH	F	Bilateral lung	26
3	Alpha-1 AT	M	Single lung	51	Alpha-1 AT	M	Single lung	51
4	COPD	M	Single lung	64	COPD	M	Single lung	56
5	Alpha-1 AT	M	Bilateral lung	47	Alpha-1 AT	F	Bilateral lung	51
6	COPD	F	Single lung	53	COPD	F	Single lung	62
7	COPD	F	Single lung	46	COPD	F	Single lung	46
	Ratio	3F/4M	Median age	47	Ratio	4F/3M	Median age	51

PPH = primary pulmonary hypertension; ES = Eisenmenger's syndrome; Alpha-1 AT = alpha-1 antitrypsin deficiency; COPD = chronic obstructive pulmonary disease; CF = cystic fibrosis.