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Table 1 Comparison of clinical characteristics of patients with bacteremic K. pneumoniae and S. pneumoniae community-acquired pneumonia

From: Bacteremic community-acquired pneumonia due to Klebsiella pneumoniae: Clinical and microbiological characteristics in Taiwan, 2001-2008

Characteristic K. pneumoniae
(n = 49)
No. (%)
S. pneumoniae
(n = 44)
No. (%)
p-value
Age, mean years ± SE 73 ± 14 76 ± 11 0.893
Male sex 39 (79.6) 39 (88.6) 0.236
Predisposing condition or risk factor    
   Diabetes mellitus 17 (34.7) 11 (25) 0.309
   Malignancy 14 (28.6) 11 (25) 0.698
   Neurologic disorders 12 (24.5) 12 (27.3) 0.759
   Chronic kidney disease stage4 13 (26.5) 13 (29.5) 0.746
   Chronic lung diseases 23 (46.9) 21 (47.7) 0.939
   Liver cirrhosis 4 ( 8.2) 3 ( 6.8) 1.000
   Alcoholism 5 (10.2) 1 ( 2.3) 0.207
   Autoimmune disease 3 ( 6.1) 1 ( 2.3) 0.619
No underlying diseases 3 ( 6.1) 5 (11.4) 0.470
APACHE II score > 25 35 (71.4) 13 (29.5) <0.001
Days of hospitalization 28 ± 24 21 ± 15 0.929
Initial presentation with septic shock 25 (51) 14 (31.8) 0.061
Initial presentation with respiratory failure 30 (61.2) 14 (31.8) 0.005
PSI Risk Class V 44 (89.8) 27 (61.4) 0.001
ICU admission 28 (57.1) 14 (31.8) 0.014
Concurrent lung abscess 3 ( 6.1) 0 ( 0) 0.244
Early mortality (deaths 48 hrs) 18 (36.7) 6 (13.6) 0.011
In-hospital mortality 27 (55.1) 12 (27.3) 0.007
  1. Values given as mean ± SD or No. of patients (%).APACHE, Acute Physiologic and Chronic Health Evaluation; PSI, Pneumonia Severity Index; ICU, intensive care unit.