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Table 3 Differences in clinical characteristics between patients with hospital-acquired and community-acquired bloodstream infections

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

Characteristics of patientsTotal = 106Hospital = 56Community = 50p-value
n%N%n%
Age, median, years74 72 75.5   
Male sex74(69.8)43(76.8)31(62.0)0.14 
Age > 80 years29(27.4)12(21.4)17(34.0)0.19 
Comorbidities
 Diabetes mellitus29(27.4)13(23.2)16(32.0)0.38 
 Malignancy45(42.5)30(53.6)15(30.0)< 0.05*
 Liver cirrhosis11(10.4)7(12.5)4(8.0)0.53 
 Collagen disease8(7.5)3(5.4)5(10.0)0.47 
 Chronic kidney disease4(3.8)1(1.8)3(6.0)0.34 
 Pulmonary disease4(3.8)1(1.8)3(6.0)0.34 
 Mental disorder7(6.6)4(7.1)3(6.0)1.00 
 Immunosuppressive drug14(13.2)6(10.7)8(16.0)0.57 
 Neutropenia7(6.6)5(8.9)2(4.0)0.44 
Source of infection
 Pneumonia6(5.7)1(1.8)5(10.0)0.10 
 Skin and soft-tissue4(3.8)2(3.6)2(4.0)1.00 
 Abdominal39(36.8)18(32.1)21(42.0)0.32 
 Urinary tract31(29.2)15(26.8)16(32.0)0.67 
 Liver abscess7(6.6)3(5.4)4(8.0)0.70 
Other
 Appropriate antibiotic therapy within 24 h101(95.3)52(92.9)49(98.0)0.37 
Bacterial characteristics
K. pneumoniae78(73.6)41(73.2)37(74.0)1.00 
K. variicola19(17.9)10(17.9)9(18.0)1.00 
K. quasipneumoniae9(8.5)5(8.9)4(8.0)1.00 
 K1 serotype15(14.2)7(12.5)8(16.0)0.78 
 K2 serotype13(12.3)6(10.7)7(14.0)0.77 
 Hypermucoviscous phenotype23(21.7)9(16.1)14(28.0)0.16 
 ESBL-producing3(2.8)3(3.4)0(0)0.38 
  1. CRBSI Catheter-related bloodstream infection
  2. *Asterisk indicates a statistical significant difference among the groups
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