Figure 2From: Automatic filtering of outliers in RR intervals before analysis of heart rate variability in Holter recordings: a comparison with carefully edited data Effect of filtering on high-frequency power for the edited data (left) and noisy data (right) for subjects in the different age-groups. The box-and-whiskers plot show median, interquartile range, range and outliers for the change in high-frequency power after filtering. Horisontal lines indicate ±5% difference.Back to article page