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Table 3 Characteristics of the 4 patients having urinary loss of potassium

From: Long-term renal outcome in methylmalonic acidemia in adolescents and adults

Patient Measured GFR (mL/min/1.73 m2) Kalemia (mmol/L) Urinary potassium (mmol/L) Fractional excretion of potassium (%)
#03 38.9 3.7* 64 64
#04 57.8 2.8** 45 6
#05 55.3 3.3 51 28
#07 104.2 3.2 13 15
  1. GFR, glomerular filtration rate
  2. *Potassium replacement therapy: 3600 mg/day
  3. **Potassium replacement therapy: 1200 mg/day