Patient demographics and number of cases performed on each imaging platforma
| Reference Platform | Dose-Reduction Platform | |
|---|---|---|
| No. of cases | ||
| Diagnostic | 654 (71.6%) | 173 (53.4%) |
| Coil embolization | 45 (5.0%) | 42 (12.2%) |
| Flow diverter | 58 (6.5%) | 26 (7.6%) |
| Vasospasm | 34 (3.7%) | 26 (8.0%) |
| Thrombectomy | 37 (4.1%) | 19 (5.5%) |
| Stent-assisted coiling | 27 (3.0%) | 15 (4.4%) |
| Carotid stenting | 25 (2.8%) | 9 (2.6%) |
| Epistaxis | 17 (1.9%) | 5 (1.5%) |
| AVM | 10 (1.1%) | 6 (1.7%) |
| AVF | 7 (0.8%) | 3 (0.9%) |
| Total | 914 (73.8%) | 324 (26.2%) |
| Patient characteristics | ||
| Age (yr) | 57.4 ± 14.7 | 56.6 ± 15.2 |
| Weight (kg) | 79.3 ± 19.9 | 77.6 ± 18.4 |
| Male | 370 (40.5%) | 134 (41.4%) |
| Female | 544 (59.5%) | 190 (58.6%) |
| Hypertension | 276 (30.2%) | 89 (27.5%) |
| Medical history | ||
| Diabetes | 113 (12.4%) | 39 (12.0%) |
| CAD | 67 (7.3%) | 21 (6.5%) |
| COPD | 61 (6.7%) | 26 (8.0%) |
| Hypertension | 496 (54.3%) | 177 (54.6%) |
| Obesity | 53 (5.8%) | 17 (5.2%) |
| Operator | ||
| 1 | 59 (6.5%) | 18 (5.6%) |
| 2 | 433 (47.4%) | 175 (54.0%) |
| 3 | 249 (27.2%) | 23 (7.1%) |
| 4 | 79 (8.6%) | 92 (28.4%) |
| Multiple | 94 (10.3%) | 16 (4.9%) |
Note:—CAD indicates coronary artery disease; COPD, chronic obstructive pulmonary disorder.
↵a Data are presented as number (percentage) or mean ± SD. The number of patients with preprocedural hypertension is reported under “Patient characteristics,” while the number of patients with a documented history of hypertension is reported under “Medical history.”