Table 3. Subgroup analysis depending on aneurysm location.
| Anterior circulation aneurysm | Posterior circulation aneurysm | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Male (n=102) | Female (n=169) | p | Male (n=23) | Female (n=49) | p | |||||
| WFNS, n (%) | ||||||||||
| 1 | 33 | (32.4) | 65 | (38.5) | 0.67 | 5 | (21.7) | 13 | (26.5) | 0.5 |
| 2 | 20 | (19.6) | 35 | (20.7) | 8 | (34.8) | 8 | (16.3) | ||
| 3 | 2 | (2) | 6 | (3.6) | 1 | (4.3) | 4 | (8.2) | ||
| 4 | 23 | (22.5) | 30 | (17.8) | 5 | (21.7) | 10 | (20.4) | ||
| 5 | 24 | (23.5) | 33 | (19.5) | 4 | (17.4) | 14 | (28.6) | ||
| Initial GCS median (IQR) | 14 | (8-15) | 14 | (8.5-15) | 0.99 | 14 | (8-15) | 13 | (6.5-15) | 0.92 |
| GCS on admission median (IQR) | 13.5 | (3-15) | 14 | (5-15) | 0.67 | 14 | (7-15) | 13 | (3-15) | 0.57 |
| Decrease in vigilance | 63 | (61.8) | 106 | (62.7) | 0.9 | 15 | (65.2) | 32 | (65.3) | 1 |
| Loss of consciousness | 49 | (48) | 77 | (45.6) | 0.71 | 9 | (39.1) | 25 | (51) | 0.45 |
| Headache | 66 | (64.7) | 119 | (70.4) | 0.53 | 16 | (69.6) | 38 | (77.6) | 0.32 |
| Acute onset headache | 55 | (53.9) | 94 | (55.6) | 0.35 | 13 | (56.5) | 30 | (61.2) | 1 |
| Not acute headache | 11 | (10.8) | 25 | (14.8) | 0.7 | 2 | (8.7) | 9 | (18.4) | 0.48 |
| Persistent headache | 21 | (28.4) | 42 | (24.9) | 0.88 | 6 | (26.1) | 13 | (26.5) | 1 |
| Duration of headache in days | 3 | (3.2) | 4.9 | (9.2) | 2.4 | (2.1) | 4.1 | (3.2) | ||
| Nuchal pain | 11 | (10.8) | 28 | (16.6) | 0.46 | 7 | (30.4) | 7 | (14.3) | 0.11 |
| Exercise-induced headache | 9 | (8.8) | 8 | (4.7) | 0.11 | 4 | (17.4) | 3 | (6.1) | 0.2 |
| Sexual activity-induced headache | 3 | (2.9) | 4 | (2.4) | 0.69 | 1 | (4.3) | 0 | (0) | 0.32 |
| Defecation-induced headache | 1 | (1) | 4 | (2.4) | 0.66 | 0 | (0) | 0 | (0) | 1 |
| Meningism | 9 | (8.8) | 32 | (18.9) | 0.06 | 5 | (21.7) | 7 | (16.3) | 0.16 |
| Nausea/vomiting | 56 | (54.9) | 97 | (57.4) | 0.8 | 9 | (39.1) | 26 | (53.1) | 0.31 |
| Observed seizure | 17 | (16.7) | 23 | (13.6) | 0.49 | 2 | (8.7) | 4 | (8.2) | 1 |
| Possible seizure | 36 | (35.3) | 52 | (30.8) | 0.5 | 3 | (13) | 17 | (34.7) | 0.09 |
| Seizure (observed or suspected) | 50 | (48) | 72 | (42.6) | 0.32 | 6 | (26.1) | 21 | (42.9) | 0.12 |
| Focal neurological deficit | 15 | (14.7) | 43 | (25.4) | 0.11 | 1 | (4.3) | 9 | (18.4) | 0.51 |
| Anisocoria | 7 | (6.9) | 18 | (10.7) | 0.39 | 1 | (4.3) | 8 | (16.3) | 0.25 |
| Pupils not reactive to light | 7 | (6.9) | 14 | (8.3) | 0.82 | 2 | (8.7) | 6 | (12.2) | 1 |
| Diplopia | 2 | (2) | 4 | (2.4) | 1 | 3 | (13) | 3 | (6.1) | 0.38 |
| Oculomotor disorder | 4 | (3.9) | 8 | (4.7) | 1 | 1 | (4.3) | 3 | (6.1) | 1 |
| Blurred vision | 1 | (1) | 4 | (2.4) | 1 | 1 | (4.3) | 1 | (2) | 1 |
| Vertigo | 9 | (8.8) | 13 | (7.7) | 0.47 | 4 | (17.4) | 4 | (8.2) | 0.41 |
| Confusion | 25 | (24.5) | 46 | (27.2) | 0.75 | 6 | (26.1) | 10 | (20.4) | 0.75 |
| Aphasia | 6 | (5.9) | 10 | (5.9) | 0.79 | 0 | (0) | 2 | (4.1) | 1 |
| Dysarthria | 6 | (5.9) | 11 | (6.5) | 1 | 2 | (8.7) | 3 | (6.1) | 0.64 |
| Hemisyndrome/motor deficit | 12 | (11.8) | 23 | (13.6) | 1 | 0 | (0) | 3 | (6.1) | 0.54 |
| Dys-/hyp-/paresthesia | 4 | (3.9) | 4 | (2.4) | 0.44 | 0 | (0) | 2 | (4.1) | 0.54 |
| Facial paresis | 3 | (2.9) | 10 | (5.9) | 0.55 | 2 | (8.7) | 1 | (2) | 0.25 |
| Neglect | 1 | (1) | 1 | (0.6) | 1 | 0 | (0) | 0 | (0) | 1 |
| Cardiac arrest | 0 | (0) | 4 | (2.4) | 0.3 | 4 | (17.4) | 4 | (8.2) | 0.26 |
| Hypertensive crisis | 16 | (15.7) | 24 | 14.2 | 0.73 | 4 | (17.4) | 13 | (26.5) | 0.55 |
| Ear pressure/pain | 0 | (0) | 1 | (0.6) | 1 | 0 | (0) | 1 | (2) | 1 |
| Abdominal pain | 2 | (2) | 3 | (1.8) | 1 | 0 | (0) | 2 | (4.1) | 1 |
| Retrograde amnesia | 4 | (3.9) | 9 | (5.3) | 1 | 2 | (8.7) | 2 | (4.1) | 0.59 |
| Visual hallucinations | 1 | (1) | 0 | (0) | 0.33 | 0 | (0) | 0 | (0) | 1 |
| Behavioral change | 2 | (2) | 1 | (0.6) | 0.26 | 1 | (4.3) | 0 | (0) | 0.33 |
| Tinnitus | 0 | (0) | 1 | (0.6) | 1 | 0 | (0) | 0 | (0) | 1 |