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Table 2 Microbiological and infection characteristics of the sepsis patients

From: Sepsis biomarkers in unselected patients on admission to intensive or high-dependency care

Variable Non-severe sepsis
N= 11
Severe sepsis
N= 76
Total
N= 87
Assessment of infection    
Microbiologically proven 4 (36%) 29 (38%) 33 (38%)
Gram-positive bacterial 2 4 6
Gram-negative bacterial 2 15 17
Polymicrobial 0 1 1
Viral 0 9a 9
Radiological diagnosis 0 (0%) 8 (11%) 8 (9%)
Clinical diagnosis 7 (64%) 39 (51%) 46 (53%)
Bacteraemic 2 (18%) 5 (7%) 7 (8%)
Focus of infection    
Respiratory tract 1 (9%) 32 (42%) 33 (38%)
Abdomen 8 (73%) 30 (39%) 38 (44%)
Urinary tract 0 (0%) 5 (7%) 5 (6%)
Skin and soft tissue 2 (18%) 5 (7%) 7 (8%)
Other 0 (0%) 4 (5%) 4 (5%)
  1. aSeven patients had proven influenza A and may have had bacterial superinfection but this was not proven microbiologically, one had parainfluenza and another Respiratory Syncytial Virus infection.