Table 1. Demographic data on three groups of lung transplant recipients.

Groups	Stable (n = 10)	DSA+BOS− (n = 10)	DSA+BOS+ (n = 10)
Age	53 ± 9	54 ± 8	53 ± 10
Gender	6M/4F	6M/4F	4M/6F
Race (C/AA/others)	9C/1AA	10C	8C/2AA
Diagnosis (IPF/COP /CF/others)	3/3/3/1	5/2/2/1	3/3/2/2
Type of LTx (bilateral/single LTx)	10BLT	10BLT	10BLT
Time of sampling from LTx (months)	22 ± 8	20 ± 10	25 ± 9
Time of DSA onset (days)	NA	16 ± 10	24 ± 23
Time of BOS onset (months)	NA	NA	21 ± 9

M, male; F, female; C, Caucasian; AA, African American; CF, cystic fibrosis; IPF, idiopathic pulmonary fibrosis; COPD, chronic obstructive pulmonary disease; BLT, bilateral lung transplant; DSA⁺BOS⁻, LTx recipients with developed DSA but had no evidence of BOS two years after LT; DSA⁺BOS⁺, LTx recipients with developed DSA and had a clinical diagnosis of BOS.