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Table 2 Infection characteristics

From: The intensive care infection score – a novel marker for the prediction of infection and its severity

  Group 1 Group 2 Group 3 P
  (n = 149) (n = 91) (n = 61)  
Source of infection     0.01
Pulmonary - 44 (48) 15 (25)  
Abdominal - 30 (33) 29 (47)  
Urogenital - 8 (9) 2 (3)  
Neurologic - 2 (2) 2 (3)  
Soft tissue/bones - 7 (8) 10 (17)  
Blood and catheter - 0 3 (5)  
Gram strain     0.01
Gram-negative - 30 (33) 16 (26)  
Gram-positive - 27 (30) 36 (59)  
Type of microorganism     0.15
Staphylococci - 15 (16) 17 (28)  
Streptococci - 12 (13) 19 (31)  
Enterobacteriaceae - 26 (29) 15 (25)  
Pseudomonas - 4 (4) 1 (2)  
Fungi - 12 (13) 6 (10)  
Viral - 5 (5) 3 (5)  
Biomarkers     
SIRS 146 (98) 90 (99) 58 (95) 0.94
Septic shock - 12 (13) 9 (15) 0.78
Temperature (°C) 38.1 (1.5) 38.3 (1.7) 38.0 (1.5) 0.94
Heart rate (beats/minute) 105 (29) 109 (37) 112 (39) 0.15
Respiratory rate (breaths/minute) 28 (13) 29 (17) 29 (17) 0.61
WBC day 0 (109/L) 12.4 (7.8) 14.4 (12.9) 13.9 (12.2) 0.63
WBC day 1 (109/L) 11.7 (8.1) 13.9 (13.1) 13.4 (11.3) 0.47
WBC day 2 (109/L) 12.1 (7.2) 14.4 (9.8) 14.8 (15.0) 0.19
CRP day 0 (mg/L) 84 (109) 163 (156) 167 (161) <0.001
CRP day 1 (mg/L) 88 (131) 156 (156) 197 (154) <0.001
CRP day 2 (mg/L) 82 (141) 131 (136) 180 (172) <0.001
PCT day 0 (μg/L) 0.65 (2.30) 2.71 (9.88) 4.13 (38.0) <0.001
ICIS day 0 3 (3) 6 (5) 6 (5) <0.001
ICIS day 1 3 (3) 6 (4) 6 (4) <0.001
ICIS day 2 4 (4) 6 (4) 6 (4) <0.001
  1. Numbers (percentage) or median (interquartile range), where appropriate. Group 1: no infection; Group 2: local infection without blood stream infection; Group3: blood stream infection. Abbreviations: CRP C-reactive protein, ICIS intensive care infection score, PCT procalcitonin, SIRS systemic inflammatory response syndrome, WBC white blood cells