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Table 1 Summary of bacterial characteristics for K. pneumoniae, K. variicola, and K. quasipneumoniae isolates

From: Clinical characteristics in blood stream infections caused by Klebsiella pneumoniae, Klebsiella variicola, and Klebsiella quasipneumoniae: a comparative study, Japan, 2014–2017

 Total = 119K. pneumoniae = 87K. variicola = 21K. quasipneumoniae = 11p-value
n%n%n%n%
K116(13.5)15(17.2)0(0)1(9.1)0.09 
K213(10.9)12(13.8)1(4.8)0(0)0.32 
rmpA29(24.4)29(33.3)0(0)0(0)<0.001*
iutA32(26.9)32(36.8)0(0)0(0)< 0.001*
ybtS45(37.8)41(47.1)4(19.0)0(0)<0.001*
entB108(90.8)85(97.7)19(90.5)4(36.4)< 0.001*
kfu45(37.8)26(29.9)19(90.5)0(0)< 0.001*
allS28(23.5)21(24.1)1(4.8)6(54.5)< 0.01*
mrkD118(99.2)86(98.9)21(100.0)11(100.0)1.00 
Hypermucoviscous phenotype25(21.0)22(25.3)2(9.5)1(9.1)0.24 
ESBL-producing3(2.5)2(2.3)1(4.8)0(0)0.61 
  1. *Asterisk indicates a statistical significant difference among the groups
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