Figure 3.
Average extracellular fluid volume estimates expressed as percentages of total body water. I-V: Tracer dilution estimates[46]; I: Sucrose, thiosulfate; II: Mannitol, sulfate; III: Bromide, chloride; IV: Sodium; V: Thiocyanate; VI-VII: Newer techniques; VI: Dual-energy X-ray absorptiometry[130]; VII: Bioelectrical impedance[115]; VIII: Simultaneous determination of total body potassium and total body water[195]; IX, X: Glomerular filtration rate markers; IX: Inulin[139]; X: Iothalamate[147]. ECFV: Extracellular fluid volume; TBW: Total body water.