Total | Angio grade 0 | Angio grade 1 | Angio grade 2 | Angio grade 3 | Angio grade 4 | |
Baseline study (n (%)) | 96 | 69 (71.9%) | 11 (11.5%) | 8 (8.3%) | 6 (6.3%) | 2 (2.1%) |
Follow up study (n (%)) | 96 | 59 (61.5%) | 13 (13.5%) | 8 (8.3%) | 13 (13.5%) | 3 (3.1%) |
Grade 0, normal angiogram; grade 1, wall irregularities with luminal obstruction < 30%; grade 2, luminal obstruction 30–50%; grade 3, luminal obstruction ⩾ 50%; grade 4, vessel occlusion.