Figure 2From: Comparison of numerical and verbal rating scales to measure pain exacerbations in patients with chronic cancer pain Scores distribution of peak pain intensities as measured by VRS (A) and NRS (B) and scatter plot (*) of the two measures (C). Detailed legend: (*) In order to avoid an high number of points plotted on top of each other, points have been artificially distributed round their real original position.Back to article page