Biomedical Engineering Reference
In-Depth Information
Fig. 9.20
Boxplot for healthy group #3
Fig. 9.21
Boxplot for healthy group #4
given in Table
9.6
, no statistically significant differences have been observed either.
One possible explanation might be the low number of patients measured. Another
explanation might be the fact that the compensation from the device for the breath-
ing effects is not perfect, hence breathing effects might still be present.
Next step was to check whether a relation exists between the heterogeneity factor
η
r
and the non-linear distortions index
T
. Figures
9.27
and
9.28
depict these two
factors.
