Table 1.
Input parameters of the model
| Parameter | Base case | Hospital 1 | Hospital 2 | Source |
|---|---|---|---|---|
| Performance of tests | ||||
| DUS | ||||
| Sensitivity | 89 % | 89 % | 92 % | [10] |
| Specificity | 84 % | 84 % | 89 % | |
| CTA | ||||
| Sensitivity | 91 % | 99 % | 71 % | [10] |
| Specificity | 99 % | 100 % | 98 % | |
| CE-MRA | ||||
| Sensitivity | 94 % | 94 % | 97 % | [11] |
| Specificity | 93 % | 93 % | 96 % | |
| Costs | ||||
| DUS | €63 | €78 | €60 | Base case [9]; Hospital 1 and 2: internal unit costs |
| CTA | €209 | €138 | €167 | Base case [9]; Hospital 1 and 2: internal unit costs |
| CE-MRA | €244 | €244 | €161 | Base case [9]; Hospital 1 and 2: internal unit costs |
| Carotid endarterectomy | €6836 | €6836 | €6836 | [12] |
DUS duplex ultrasonography, CTA computed tomography angiography, CE-MRA contrast-enhanced-magnetic resonance angiography