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Figure 4 The distribution of urinary losses of thiamin per gram of creatinine by left ventricular (LV) function grade. Grade 1 or 2 = EF >35%, grade 3 or 4 = EF <35%. The dashed line indicates urine thiamin loss of 66 µg/g creatinine, the level above which has been proposed to represent normal urinary thiamin excretion (2).
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