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Table 2 Survivors vs. non-survivors

From: Sodium variability is associated with increased mortality in severe burn injury

Patient demographic Survivors Non-survivors p value
Males 142 22  
Females 41 7 1
Burn area (%TBSA) 29 ± 16 50 ± 25 < 0.01
Age 42 ± 16 59 ± 19 < 0.01
ICU stay (median days) 20 (13–38.5) 18 (8–36) 0.23
Mechanical ventilation (median days) 1 (0–10) 17 (7–36) < 0.01
Acute renal failure 17 (9.2%) 21 (72%) < 0.01
Sodium measurements (median) 20 (12–44.5) 35 (23–89) 0.04
Hyponatremic measurements (median) 9 (4–17.5) 13 (2 to 21) 0.79
Hypernatremic measurements (median) 0 (0) 2 (0–7) < 0.01
Frequency of hyponatremia (median) 40% (24–62%) 20% (11–40%) < 0.01
Frequency of hypernatremia (median) 0% (0%) 6% (0–8.6%) < 0.01
Mean sodium concentration (meq/l) 135 ± 1.9 138 ± 3.4 < 0.01
Mean sodium standard deviation 2.7 ± 1 4 ± 1.5 < 0.01
Coefficient of variation 2.0 ± 0.7 2.85 ± 1.1 < 0.01
  1. Patient demographic. All mean values are mean ± standard deviation, all median values are median (interquartile range)
  2. TBSA total body surface area, ICU intensive care unit, meq/l milliequivalents per liter