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Table 1 Clinical characteristics of study patients, C-reactive protein value, eosinophil count and leucocyte count in the diagnostic classes of patients on admission to the intensive care unit

From: Eosinopenia is a reliable marker of sepsis on admission to medical intensive care units

Parameter Total (n = 177) Negative group (n = 37) SIRS (n = 20) Infected group (n = 120) P value*
Age (years) 42 ± 19 38 ± 20 35 ± 18 44 ± 18 0.077
Male gender (n (%)) 101 (57) 19 (51) 12 (60) 70 (58) 0.726
Mc Cabe index (n (%))      0.578
   Nonfatal disease 138 (78) 31 (84) 16 (80) 91 (76)  
   Ultimately and rapidly fatal disease 39 (22) 6 (16) 4 (20) 29 (24)  
Acute Physiology and Chronic Health Evaluation II score 12 ± 7 7 ± 5 9 ± 5 13 ± 6 <0.001
Sequential Organ Failure Assessment score 3 (1 to 8) 0 (0 to 2) 1 (0 to 4) 3 (1 to 6) 0.002
ICU length of stay (days) 5 (3 to 10) 3 (2 to 5) 6 (2 to 10) 7 (4 to 11) 0.001
Sites of infection (n (%))      
   Respiratory tract 72 (60)     
   Urinary tract 25 (21)     
   Meningitis 16 (13)     
   Other 7 (6)     
ICU mortality (n (%)) 58 (33) 3 (8) 5 (25) 50 (42) <0.001
Leucocyte count (cells/mm3) 13,666 ± 7,497 11,305 ± 5,136 14,595 ± 6,399 14,169 ± 8,113 0.128
Eosinophil count (cells/mm3) 13 (0 to 83) 146 (54 to 250) 22 (13 to 85) 8 (0 to 36) <0.001
C-reactive protein (mg/l) 84 (31 to 155) 19 (36 to 79) 59 (16 to 84) 108 (58 to 197) <0.001
  1. Data are expressed as median (interquartile range) or as mean ± standard deviation. *P values are from the chi-squared test, one-way analysis of variance, or the Kruskal-Wallis test to compare the differences between the three groups. ICU, intensive care unit; SIRS, systemic inflammatory response syndrome group.