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Table 4 Occurrence of PDR Pathogens and Clinical Outcomes and in Each Severity Class Assessed by the Pneumonia Severity Index in Patients

From: Healthcare-associated pneumonia among hospitalized patients in a Korean tertiary hospital

Pneumonia Severity Index Classes HCAP
(n= 231)
CAP
(n= 296)
P-value
PDR pathogensa    
   Low (I-III) 7/17 (41.2) 5/36 (13.9) 0.027
   Intermediate (IV) 14/40 (35.0) 5/29 (17.2) 0.103
   High (V) 8/22 (36.4) 4/18 (22.2) 0.332
Early treatment failure b    
   Low (I-III) 9/55 (16.4) 10/159 (6.3) 0.024
   Intermediate (IV) 21/115 (18.3) 18/99 (18.2) 0.988
   High (V) 26/61 (42.6) 9/38 (23.7) 0.055
In-hospital mortality b    
   Low (I-III) 9/55 (16.4) 5/159 (3.1) 0.001
   Intermediate (IV) 29/115 (25.2) 14/99 (14.1) 0.044
   High (V) 27/61 (44.3) 13/38 (34.2) 0.322
  1. a Number of patients/total number of patients whose causative pathogens were identified in each pneumonia severity index class (percentages).
  2. b Data are presented as number of patients/total number of patients in each pneumonia severity index class (percentages).
  3. HCAP healthcare-associated pneumonia
  4. CAP community-acquired pneumonia
  5. PDR potentially drug-resistant