Research Article

Hemoglobin-Dilution Method: Effect of Measurement Errors on Vascular Volume Estimation

Table 3

Statistical measures of LN distributions for initial volume estimations when multiple measurements are made on a sample.

Measurement (s)BV (l)
X /S
% error
/S
PV (l)
X /S
% error
/S
RCV (l)
X /S
% error
/S

Single5.02 / 1.09−8.4 to +8.83.01 / 1.06−5.5 to +5.91.97 / 1.27−21 to +27
Duplicate5 / 1.06−5.8 to +6.23 / 1.04−4.0 to +4.11.98 / 1.18−15 to +18
Triplicate5 / 1.05−4.7 to +5.03 / 1.03−3.2 to +3.31.99 / 1.14−13 to +14
Triplicate5 / 1.05−4.8 to +5.03.5 / 1.05−3.6 to +3.71.48 / 1.21−17 to +21

1% SD error added to and [Tpr] measurements; ; Hct = 30%,  g/l,  g/l; error-free PV and RCV = 3.5 and 1.5 l, respectively; see Table 1 for other error-free conditions and description of statistical quantities.