The graph shows the increasing sensitivity of CTA with increasing aneurysm size. Points represent the median, and error bars represent the 95% confidence limits. Aneurysms greater than 10 mm have been pooled.
CTA: computed tomography angiography.
Data from: van Gelder JM. Computed tomographic angiography for detecting cerebral aneurysms: Implications of aneurysm size distribution for the sensitivity, specificity, and likelihood ratios. Neurosurgery 2003; 53:597.