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Weighted mean analysis of computed tomography carotid angiography sensitivity and specificity results
| Stenosis (%) CTA NASCET | Weighted mean sensitivity (%) | Weighted mean specificity (%) | Studies (n) | Carotids (n) |
| > 70 | 88.9 | 92.4 | 17 | 1882 |
| > 70a | 90.6 | 93 | 9 | 1245 |
| > 50 | 81.7 | 85.6 | 6 | 770 |
aGold standard.
CTA, computed tomography carotid angiography; NASCET, North American Symptomatic Carotid Endarterectomy Trial.
