Patient demographics
| All patients | Ruptured | Unruptured | p Value | |
|---|---|---|---|---|
| Age (mean (SD)) | 55.76 (14.20) | 54.81 (15.00) | 56.47 (13.52) | <0.0001 |
| Gender (n (%)) | ||||
| F | 7597 (71.62) | 3064 (67.32) | 4533 (74.85) | <0.0001 |
| M | 3010 (28.38) | 1487 (32.68) | 1523 (25.15) | |
| Stroke (n (%)) | ||||
| − | 10 072 | 4189 | 5883 | |
| + | 535 (5.04) | 362 (7.95) | 173 (2.86) | <0.0001 |
| Coronary artery disease (n (%)) | ||||
| − | 9876 | 4046 | 5830 | |
| + | 731 (6.89) | 505 (11.10) | 226 (3.73) | <0.0001 |
| Chronic obstructive pulmonary disease (n (%)) | ||||
| − | 9101 | 4023 | 5078 | |
| + | 1506 (14.20) | 528 (11.60) | 978 (16.15) | <0.0001 |
| Congestive heart failure (n (%)) | ||||
| − | 10 233 | 4291 | 5942 | |
| + | 374 (3.53) | 260 (5.71) | 114 (1.89) | <0.0001 |
| Diabetes mellitus (n (%)) | ||||
| − | 9507 | 4112 | 5395 | |
| + | 1100 (10.37) | 439 (9.65) | 661 (10.91) | 0.343 |
| Coagulopathy (n (%)) | ||||
| − | 10 342 | 4352 | 5990 | |
| + | 265 (2.50) | 199 (4.38) | 66 (1.09) | <0.0001 |
| Chronic renal failure (n (%)) | ||||
| − | 10 530 | 4517 | 6013 | |
| + | 77 (0.73) | 34 (0.75) | 43 (0.71) | 1.000 |
| Hypertension (n (%)) | ||||
| − | 4796 | 2077 | 2719 | |
| + | 5811 (54.78) | 2474 (54.36) | 3337 (55.10) | 0.966 |
| Hypercholesterolemia (n (%)) | ||||
| − | 8536 | 3898 | 4638 | |
| + | 2071 (19.52) | 653 (14.35) | 1418 (23.41) | <0.0001 |
| Obesity (n (%)) | ||||
| − | 10 103 | 4332 | 5771 | |
| + | 504 (4.75) | 219 (4.81) | 285 (4.71) | 0.999 |
| Alcohol abuse (n (%)) | ||||
| − | 10 263 | 4322 | 5941 | |
| + | 344 (3.24) | 229 (5.03) | 115 (1.90) | <0.0001 |
| Peripheral vascular disease (n (%)) | ||||
| − | 10 307 | 4436 | 5871 | |
| + | 300 (2.82) | 115 (2.53) | 185 (3.05) | 0.621 |