Clonal spread of carbapenem-resistant Klebsiella pneumoniae among patients at admission and discharge at a Vietnamese neonatal intensive care unit

Table 3 Sequence types (STs) of isolates of carbapenem-resistant Klebsiella pneumoniae originating from admission, discharge, bloodstream and tracheal aspirate samples

ST	Admission	Discharge	Discharge (Adm-)	Blood	Tracheal aspirate
ST	(n = 34)	(n = 92)	(n = 59)	(n = 28)	(n = 13)
ST11	4 (12%)	7 (7.6%)	2 (3.4%)	1 (3.6%)	0
ST14	1 (2.9%)	10 (11%)	5 (8.5%)	4 (14%)	3 (23%)
ST15	14 (41%)	57 (62%)	44 (75%)	5 (18%)	10 (77%)
ST16	1 (2.9%)	4 (4.3%)	2 (3.4%)	1 (3.6%)	0
ST17	1 (2.9%)	0	0	3 (11%)	0
ST22	2 (5.9%)	1 (1.1%)	0	0	0
ST334	3 (8.8%)	3 (3.2%)	0	2 (7.1%)	0
ST397	0	0	0	4 (14%)	0
ST3003	2 (5.9%)	2 (2.2%)	0	0	0
Others	3 (8.8%)	3 (3.2%)	2 (3.4%)	7 (25%)	0
New Type	3 (8.8%)	4 (4.3%)	1 (1.7%)	0	0
Inconclusive	0	1 (1.1%)	1 (1.7%)	1 (3.6%)	0

The column denoted “Discharge (Adm-)” contains isolates which are a subset of all the discharge-isolates, the isolates in this column are from patients which had faecal samples at the admission screening which tested negative for carbapenem-resistant K. pneumoniae. The column denoted “Others” summarizes isolates from all unique STs to which only a single isolate was found to belong. The column denoted “Inconclusive” summarizes isolates for which the whole-genome sequencing data obtained could not be used to conclusively determine the K. pneumoniae ST

ISSN: 2047-2994