Table 1 Baseline patient characteristics

Median age (range)—years

Male sex—N (%)

Primary disease—N (%)

 Pulmonary fibrosis^a

 Chronic obstructive pulmonary disease

 Cystic fibrosis

 Other

GERD diagnosed by 24-h esophageal pH-impedance probe—N (%)

On proton pump inhibitor—N (%)

Median time from reflux testing to bronchoscopy (range)—days

Median time from transplant to bronchoscopy (range)—months

Acute rejection (A) grade—N (%)

 A0

 A1 or higher

 AX or no biopsy performed

Lymphocytic bronchiolitis (B) grade—N (%)

 B0

 B1R

 BX or no biopsy performed

Positive BAL microbiological culture^a—N (%)

Donor recipient CMV status—N (%)

 Donor−/Recipient−

 Donor−/Recipient + 

 Donor + /Recipient−

 Donor + /Recipient +