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Table 2 Comparison between patients with and without acute kidney injury

From: Acute kidney injury in an intensive care unit of a general hospital with emergency room specializing in trauma: an observational prospective study

Variable Without acute kidney injury With acute kidney injury P
N = 187 N = 92  
Gender    
Male 122 (65.3) 63 (68.5) 0.894
Female 65 (34.7) 29 (31.5)  
Age (years) 39.9 ± 16.6 47.6 ± 22.0 0.003
Category of admission diagnosis    
Trauma 94 (50.2) 41 (44.5) 0.376
Non-trauma 93 (49.8) 51 (55.5)  
Diabetes 17 (9.0) 19 (20.6) 0.025
Length of stay (days) 7.4 ± 5.5 9.5 ± 9.2 0.021
APACHE II 7 (0–21) 10 (0–28) <0.001
Diuretic use 70 (37.4) 31 (33.6) 0.596
Mechanical ventilation 112 (59.9) 69 (75.0) 0.016
Vasoactive therapy 36 (19.2) 37 (40.2) <0.001
Renal replacement therapy 0 20 (21.7) <0.001
Creatinine (mg/dL) 0.7 ± 0.1 2.6 ± 2.0 <0.001
Diuresis (mL) 3,657 ± 1,331 2,004 ± 1,711 <0.001
Death    
Yes 27 (14.4) 66 (71.7) <0.001
  1. Data are means ± SD and percentages in parentheses, except for APACHE II: data are median and minimum and maximum values in parentheses.