Table 1.

Patient demographics (n = 40)

	Total n: 40	GNB recolonization n: 28	GNB de-novo colonization n: 7	Exempt of GNB n: 5	p
Age, years	28.5 ± 10.46	28.6 ± 9.2	25.4 ± 8.9	34.2 ± 15	0.33
Sex, male	19 (47.5%)	14 (50%)	4 (57%)	1 (20%)	0.40
High emergency LTx	7 (17.5%)	6 (21.4%)	0	1 (20%)	0.40
Bilateral LTx	39 (97.5%)	28 (100%)	6 (85.7%)	5 (100%)	0.09
HLTx	1 (2.5%)	0	0	0	0.09
Lung ischemic time, minutes	355 ± 86.1	360 ± 99.5	351 ± 41.1	330 ± 33.2	0.77
CMV D+/R-	4 (10%)	2 (7.1%)	1 (14.3%)	1 (20%)	0.62
ICU length of stay, days	25.2 ± 33.2	30.8 ± 38	8.4 ± 5.2	17.2 ± 12	0.24
Length of invasive mechanical ventilation, days	17.5 ± 32.4	21.9 ± 38.3	3.7 ± 3.3	6.2 ± 5.5	0.36
Follow up, days	1413.5 ± 565.8	1509.3 ± 527.8	1044.3 ± 590.7	1394.2 ± 643.2	0.15
One year survival, %	100	100	100	100
Best post-transplant FEV1, %predicted	83.8 ± 18	82.5 ± 19.3	90.8 ± 12.6	82.2 ± 16.7	0.59
CLAD	9 (22.5%)	3 (10.7%)	4 (57%)*	2 (40%)	0.02*
BOS	7 (17.5%)	3 (10.7%)	2 (28.6%)	2 (40%)	0.20
Time to BOS, months	36.4 (20.2)	27.3 (18.5)	25.5 (6.4)	61 (5.7)	0.09
RAS	2 (5%)	0	2 (28.6%)*	0	0.007*
Time to RAS, months	13	NA	13	NA

Definition of abbreviations: GNB Gram Negative Bacteria, LT Lung Transplant, HLT Heart Lung Transplant, ICU Intensive Care Unit, FEV1 Forced Expiratory Volume in 1 s, CLAD Chronic Lung Allograft Dysfunction, BOS Bronchiolitis Obliterans Syndrome, RAS Restrictive Allograft Syndrome. Data are expressed in n (%) and means±SDs