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1 Erratum to: Med Biol Eng Comput DOI 10.1007/s11517-009-0473-9
Unfortunately, several errors occurred in Sect. 2.3.2 Statistical analysis, second paragraph.
The corrected paragraph is given below.
When considering a parameter X, the variability between the heartbeats of each measurement was evaluated by the intra-registration variability \(\sigma_{h},\) which can be written as follows:
X v,m,b being the parameter value for the volunteer v, in measurement m at heartbeat b, \(\overline{X}_{v,m}\) the average parameter for measurement m of volunteer v, and, b v,m and m being the number of heart beats of the measurement m for the volunteer v and the total number of measurements, respectively.
The inter-registration variability σ m that evaluates the variability between the measurements of the volunteer can be written as:
In this equation, X v,m is the parameter value of measurement m for volunteer v and \(\overline{X}_v\) the average parameter for each volunteer v. The number of measurements for the volunteer v and the number of volunteers are represented by m v and v respectively.
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The online version of the original article can be found under doi:10.1007/s11517-009-0473-9.
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Leguy, C.A.D., Bosboom, E.M.H., Hoeks, A.P.G. et al. Model-based assessment of dynamic arterial blood volume flow from ultrasound measurements. Med Biol Eng Comput 47, 685 (2009). https://doi.org/10.1007/s11517-009-0491-7
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DOI: https://doi.org/10.1007/s11517-009-0491-7