Table 2 Presence of biofilm-associated genes and oxacillinases (n = 92) in clinical and Colonizing isolates of A. baumannii.

From: Characterization of carbapenem-resistant biofilm forming Acinetobacter baumannii isolates from clinical and surveillance samples

Genes

Colonizers (n = 44) (%)

Clinical (n = 48) (%)

P value (*Significant values)

ompA

44 (100)

45 (93.7)

0.037*

bap

44 (100)

47 (97.9)

0.156

csuE

44 (100)

44 (91.6)

0.018*

Per-1

24 (54.5)

27 (56.25)

0.429

blaOXA-58 like

9 (20.4)

6 (12.5)

0.150

blaOXA-23-like

43 (97.7)

42 (87.5)

0.025*

blaOXA-51-like

44 (100)

48 (100)

0.500

blaOXA-24-like

1 (2.3)

2 (4.1)

0.304

MBLs (VIM, SIM, GIM, IMP, and NDM1)

27

28

0.380

  1. Statistically significant differences have been observed in the presence of ompA, csuE and blaOXA-23-like in colonizing and clinical isolates.
  2. Some of the clinical and colonizing isolates from the same patient were XDR and had the same ST type (Data not shown).
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