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Table 4 Laboratory values of acute heart failure patients admitted to Tikur Anbessa Specialized Hospital, Ethiopia between May 15 to September 12, 2017 (n = 169)

From: Treatment outcome and its predictors among patients of acute heart failure at a tertiary care hospital in Ethiopia: a prospective observational study

Variables N Frequency (%) Mean SD Median Q1 Q3
Serum sodium (mEq/L) 120   135.8 10.1 136.5 130.5 143.3
Serum sodium ≥135 mEq/L   72 (60.0)      
Serum sodium < 135 mEq/L   48 (40.0)      
Serum potassium (mEq/L) 116   4.1 0.9 4.0 3.47 4.53
Normal   77 (66.4)      
Hypokalemia (<  3.55 mEq/L)   32 (27.6)      
Hyperkalemia (>  5.55 mEq/L)   7 (6.0)      
Hemoglobin (g/dL)a 158   12.8 3.0 12.8 10.8 14.8
Hemoglobin ≥12 g/dL   98 (62.0)      
Hemoglobin < 12 g/dL   60 (38.0)      
Hemoglobin < 10 g/dL   24 (15.2)      
Serum creatinine (mg/dL) 145   1.6 1.8 1.2 1.0 1.5
Normal serum creatinine ≤1.2   87 (60.0)      
Elevated serum creatinine > 1.2   58 (40.0)      
Blood urea nitrogen (mg/dL) 62   110.5 95.3 70.6 49.2 127.3
Less than 43 mg/dL   15 (24.2)      
Elevated ≥43 mg/dL   47 (75.8)      
eGFR (mL/min/1.73m2) 145   74.2 33.0 74.0 55.0 92.0
≤14   8 (5.5)      
15 to 29   4 (2.8)      
30 to 59   30 (20.7)      
60 to 89   61 (42.1)      
≥90   42 (29.0)      
  1. NB: aMeasurement taken after patient was stabilized Key: eGFR = estimated glomerular filtration rate, SD = standard deviation; Q1 = 25th percentile, Q3 = 75th percentile