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Table 1 Characteristics of study subjects

From: Plasma levels of microRNA are altered with the development of shock in human sepsis: an observational study

Variable Healthy controls No shock Shock p value
n = 32 n = 33 n = 29
Mean age (years) ± SD 40 ± 16 56 ± 18 58 ± 21 0.0002
Male gender (%) 15 (44) 15 (45) 22 (76) 0.03
White race (%) 28 (82) 19 (58) 16 (55) 0.01
Source of infection (%) N/A    0.6
 Urinary tract   11 (33) 9 (31)  
 Pneumonia   9 (27) 12 (41)  
 Intravascular device   5 (15) 2 (7)  
 Other   7 (21) 6 (21)  
Organism (%) N/A    0.28
 Gram-negative bacteria   12 (36) 11 (38)  
 Gram-positive bacteria   5 (15) 3 (10)  
 Unknown   11 (33) 6 (21)  
 Other   4 (12) 9 (31)  
Mechanical ventilation (%) N/A 12 (36) 14 (48) 0.28
ARDS (%) N/A 5 (15 %) 9 (7 %) 0.22
Acute kidney injury (%) N/A 20 (61 %) 18 (62 %) 0.79
Mean APACHE II score ± SD N/A 20.5 ± 7.4 23.5 ± 8.3 0.09
Median ICU LOS in days (IQR) N/A 2 (7) 4 (4) 0.16
Median hospital LOS in days (IQR) N/A 7 (11) 7 (12) 0.64
Death (%) N/A 3 (9) 9 (31) 0.03
  1. SD standard deviation, N/A not applicable, ARDS acute respiratory distress syndrome, APACHE acute physiology and chronic health evaluation, ICU intensive care unit, LOS length of stay, IQR interquartile range