LAUSR

Age, years 57.3 ± 14.4 Male sex 7 (70) Weight, kg 84.3 ± 28.5 Surgical ICU 9 (90) PN days 8 ± 4 PN kcal intake, kcal/kg/d 23.4 ± 7.8 APACHE II score 25.6 ± 6 Serum electrolytes before PN initiation Potassium, mmol/L 4.1 ± 0.2 Magnesium, mg/dL 1.8 ± 0.2 Phosphate, mg/dL 3.6 ± 0.6 Initial PN electrolyte doses Potassium, mEq/d 7.8 ± 10 Magnesium, mEq/d 4.6 ± 4.4 Phosphate, mmol/d 8 ± 4.8 Electrolyte abnormalities during PN Potassium N6 mmol/L 0 (0) Potassium b3.5 mmol/L 8 (80) Potassium b3 mmol/L 2 (20) Magnesium N3 mg/dL 1 (10) Magnesium b1.6 mg/dL 2 (20) Phosphate N5 mg/dL 1 (10) Phosphate b2.3 mg/dL 7 (70) Phosphate b1.5 mg/dL 2 (20)