The normal range for the ECW/TBW (Extracellular Water to Total Body Water) ratio is generally considered to be between 0.360 and 0.390. A value closer to 0.360 may indicate more intracellular water, lean body mass, and strong cellular nutrient retention. Values closer to 0.390 may suggest greater extracellular water, body fat, and potential dehydration. If the ratio exceeds 0.400, it’s recommended to consult a physician.
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