Clinical and demographic characteristics of the study population and subgroup
| Study Population (n = 97) | Subgroupa (n = 57) | |||||
|---|---|---|---|---|---|---|
| All (n = 97) | DCI (n = 40) | No DCI (n = 57) | All (n = 57) | Vasospasm (n = 36) | No Vasospasm (n = 21) | |
| Age (yr) (median) | 49 | 48 | 49 | 51 | 48 | 55 |
| Range | 28–80 | 30–78 | 28–80 | 28–80 | 30–78 | 28–80 |
| Sex | ||||||
| Male (%) (No.) | 27 (26/97) | 25 (10/40) | 28 (16/57) | 25 (14/57) | 25 (9/36) | 24 (5/21) |
| Female (%) (No.) | 73 (71/97) | 75 (30/40) | 72 (41/57) | 75 (43/57) | 75 (27/36) | 76 (16/21) |
| Aneurysm location | ||||||
| Anterior | 92 (89/97) | 90 (36/40) | 93 (53/57) | 95 (54/57) | 92 (33/36) | 100 (21/21) |
| Posterior | 8 (8/97) | 10 (4/40) | 7 (4/57) | 5 (3/57) | 8 (3/36) | 0 (0/21) |
| Treatment type | ||||||
| Surgical clipping | 55 (53/97) | 50 (20/40) | 58 (33/57) | 65 (37/57) | 56 (20/36) | 81 (17/21) |
| Coil embolization | 45 (44/97) | 50 (20/40) | 42 (24/57) | 35 (20/57) | 44 (16/36) | 19 (4/21) |
| Hunt and Hess grade | ||||||
| Low (grades 1 and 2) | 53 (51/97) | 35 (14/40) | 63 (36/57) | 46 (26/57) | 36 (13/36) | 62 (13/21) |
| High (grades 3, 4, and 5) | 47 (46/97) | 65 (26/40) | 37 (21/57) | 54 (31/57) | 64 (23/36) | 38 (8/21) |
| Clinical deterioration | 45 (44/97) | 83 (33/40) | 19 (11/57) | 67 (38/57) | 81 (29/36) | 43 (9/21) |
↵a DSA as the reference standard.