Clinical and demographic characteristics of the study population and subgroups
| Study Population | Subgroup | |||||
|---|---|---|---|---|---|---|
| (n = 97) | (DSA as Reference Standard) (n = 57) | |||||
| All (n = 97) | DCI (n = 38) | No DCI (n = 59) | All (n = 57) | Vasospasm (n = 36) | No vasospasm (n = 21) | |
| Age (yr) (median) | 49 | 54 | 48 | 51 | 48 | 55 |
| (Range) | 28–80 | 34–78 | 28–80 | 28–80 | 30–78 | 28–80 |
| Sex (%) (No.) | ||||||
| Male | 27 (26/97) | 32 (12/38) | 24 (14/59) | 25 (14/57) | 25 (9/36) | 24 (5/21) |
| Female | 73 (71/97) | 68 (26/38) | 76 (45/59) | 75 (43/57) | 75 (27/36) | 76 (16/21) |
| Aneurysm location (%) (No.) | ||||||
| Anterior | 92 (89/97) | 92 (35/38) | 93 (55/59) | 95 (54/57) | 92 (33/36) | 100 (21/21) |
| Posterior | 8 (8/97) | 8 (3/38) | 7 (4/59) | 5 (3/57) | 8 (3/36) | 0 (0/21) |
| Treatment type (%) (No.) | ||||||
| Surgical clipping | 55 (53/97) | 63 (24/38) | 49 (29/59) | 65 (37/57) | 56 (20/36) | 81 (17/21) |
| Coil embolization | 45 (44/97) | 37 (14/38) | 51 (30/59) | 35 (20/57) | 44 (16/36) | 19 (4/21) |
| Hunt and Hess grade (%) (No.) | ||||||
| Low (grades 1 and 2) | 53 (51/97) | 37 (14/38) | 61 (36/59) | 46 (26/57) | 36 (13/36) | 62 (13/21) |
| High (grades 3, 4 and 5) | 47 (46/97) | 63 (24/38) | 39 (23/59) | 54 (31/57) | 64 (23/36) | 38 (8/21) |