Table 1

Summary of patient demographic data, BAL and pathological rejection assessments

Subject no	Age	Diagnosis	Months after transplant	BAL return (ml)	Cell count (×10⁴/ml)	PMN(%)	AM(%)	Lymph(%)	Microbiology	Biopsy	PPI/H₂	Pepsin(ng/ml)
CF, cystic fibrosis; PPH, primary pulmonary hypertension; OB, obliterative bronchiolitis (patient had a second lung transplant due to failure of the first); A1AT, α₁-antitrypsin deficiency; LAM, lymphangiomyomatosis; VSD-EISEN, Eisenmenger’s syndrome; PMN, neutrophils; AM, alveolar macrophages; Lymph, lymphocytes; Biopsy, pathological assessment for rejection according to International Society for Heart and Lung Transplantation criteria: a = acute rejection ⩽a1 non-significant, b = airway assessment, axbx = no material for assessment; PPI/H₂, prophylactic treatment with proton pump inhibitor or H₂ receptor antagonist.
1	19	CF	3	70	36	0.2	99.6	0.2	Negative	a2/b1	Yes	81
2	45	Bronchiectasis	6	95	67.2	0.2	96.4	3.4	Negative	a0/b1	Yes	60
3	25	PPH	2.5	100	24.3	1.0	98.8	0.2	Negative	a2/3b1	Yes	172
4	25	OB	3	100	34.3	3.4	96.2	0.2	Negative	a1/bx	Yes	68
5	20	CF	0.25	55	56.5	35.6	61.0	3.0	Negative	a2/bx	No	129
6	41	A1AT	2.5	85	22.8	7.4	86.4	5.0	Negative	a2/b0	No	50
7	44	LAM	6	100	11	1.0	94.6	4.4	Negative	a1/b1	Yes	34
8	44	VSD-EISEN	87	95	2.6	1.4	93.0	5.6	Aspergillus	a0/b0	Yes	67
9	38	CF	6	80	4.7	4.6	75.8	18.4	Klebsiella	a1/b1	Yes	107
10	62	LAM	12	90	39.9	2.0	94.4	3.6	Negative	a0/bx	No	1375
11	39	Bronchiectasis	3	75	9.6	8.0	76.0	15.8	Negative	a0/b0	Yes	225
12	47	A1AT	2	75	22.6	5.6	94.2	0.2	Negative	a2/b0	Yes	1200
13	21	CF	12	95	8.5	1.0	98.2	0.6	Penicillium	a0/b0	Yes	237