Patient characteristics
| Parameter | All (n = 282) | No DCI (n = 221) | DCI (n = 61) | P Value |
|---|---|---|---|---|
| Age (mean) (±SD) | 55.8 (12.0) | 55.9 (11.8) | 55.4 (13.0) | .80 |
| Female sex (No.) | 205 (73%) | 163 (74%) | 42 (69%) | .52 |
| History of hypertension (No.) | 79 (28%) | 58 (26%) | 21 (34%) | .26 |
| Aneurysm location (No.) | .62 | |||
| Anterior | 212 (75%) | 168 (76%) | 44 (72%) | |
| Posterior | 70 (25%) | 53 (24%) | 17 (28%) | |
| WFNS grade (No.) | .08 | |||
| I | 79 (28%) | 68 (31%) | 11 (18%) | |
| II | 67 (24%) | 50 (23%) | 17 (28%) | |
| III | 8 (3%) | 6 (3%) | 2 (3%) | |
| IV | 68 (24%) | 56 (25%) | 12 (20%) | |
| V | 59 (21%) | 40 (18%) | 19 (31%) | |
| Treatment modality (No.) | .23 | |||
| No treatment | 14 (5%) | 13 (6%) | 1 (2%) | |
| Clipping | 138 (49%) | 111 (50%) | 27 (44%) | |
| Coiling | 130 (46%) | 97 (44%) | 33 (54%) | |
| Rebleeding (No.) | 34 (12%) | 26 (12%) | 8 (13%) | .83 |
| Total blood volume (median) (IQR) | 41.2 (23.6–62.5) | 37.7 (21.8–57.9) | 52.1 (34.5–78.1) | .01 |
| Cisternal blood volume (median) (IQR) | 29.8 (14.0–47.0) | 25.2 (12.4–44.1) | 39.7 (24.2–60.1) | <.001 |
| IVH presence (No.) | 187 (66%) | 137 (62%) | 50 (82%) | .003 |
| IVH volume (median) (IQR) | 0.7 (0.0–2.8) | 0.5 (0.0–2.2) | 1.2 (0.3–5.0) | .01 |
| IPH presence (No.) | 85 (30%) | 70 (32%) | 15 (25%) | .35 |
| IPH volume (median) (IQR) | 0.0 (0.0–3.3) | 0.0 (0.0–3.6) | 0.0 (0.0–0.8) | .29 |
| SDH presence (No.) | 16 (6%) | 12 (5%) | 4 (7%) | .76 |
| SDH volume (median) (IQR) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | .74 |
Note:—IQR indicates interquartile range.