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Table 1 Virulence factors identified in U.S bloodstream isolates

From: Genomic surveillance for multidrug-resistant or hypervirulent Klebsiella pneumoniae among United States bloodstream isolates

NMH

Positive

Isolates n = 104

n(%)

iroB

4 (3.8)

iucA

5 (4.8)

rmpA

4 (3.8)

rmpA2

2 (1.9)

ybt

39 (37.5)

clb

12 (11.5)

iroB/iucA/rmpA

4 (3.8)

String Test

10 (9.6)

Centrifugation Test

18 (17.3)

Tellurite Resistance

5 (4.8)

NCBI

Positive

Isolates n = 963

n(%)

iroB

9 (0.9)

iucA

32 (3.3)

rmpA

14 (1.5)

rmpA2

21 (2.2)

ybt

345 (35.8)

clb

194 (20.1)

iucA and rmpA/2

25 (2.6)

CR* and iucA

25 (2.6)

CR* iucA and rmpA/2

18 (1.9)

  1. CR* carbapenem resistant