Table 1.
Preoperative clinical features among chronic subdural hematoma (CSDH) patients with or without seizures after surgery.
| Characteristics analyzed | Postoperative seizures (n) | p | |
|---|---|---|---|
| Yes (52) | No (1,192) | ||
| Gender (Male:Female) | 44:8 | 984:208 | 0.700 |
| Age | 65.08 ± 14.64 | 63.03 ± 16.98 | 0.393 |
| Symptoms | |||
| Headache n (%) | 28 (53.8) | 701 (58.8) | 0.477 |
| Dizziness n (%) | 10 (19.2) | 323 (27.1) | 0.210 |
| Limb weakness n (%) | 31 (59.6) | 659 (55.3) | 0.539 |
| Dysphasia n (%) | 9 (17.3) | 107 (9.0) | 0.043 |
| Disturbance of consciousness n (%) | 3 (5.8) | 57 (4.8) | 0.745 |
| Personal/past history | |||
| Smoking | 18 (34.6) | 282 (23.7) | 0.071 |
| Drinking | 17 (32.7) | 205 (17.2) | 0.004 |
| Hypertension | 20 (38.5) | 423 (35.5) | 0.661 |
| Diabetes | 13 (25.0) | 241 (20.2) | 0.402 |
| Cardiac disease | 6 (11.5) | 49 (4.1) | 0.011 |
| Brain infarction | 17 (32.7) | 132 (11.1) | <0.001 |
| Head trauma event n (%) | 36 (69.2) | 747 (62.7) | 0.337 |
| History of anticoagulant drug | 7 (13.5) | 132 (11.1) | 0.593 |
| Preoperative dysfunction of coagulation | 15 (28.8) | 365 (30.6) | 0.786 |
| Unilateral/bilateral hematoma | 0.860 | ||
| Left | 22(42.3) | 490(41.1) | |
| Right | 18(34.6) | 387(32.5) | |
| Bilateral | 12(23.1) | 315(26.4) | |
| Types of hematoma | 0.001 | ||
| A | 13 (25.0) | 198 (16.6) | |
| B | 7 (13.5) | 352 (29.5) | |
| C | 6 (11.5) | 262 (22.0) | |
| D | 3 (5.8) | 89 (7.5) | |
| E | 1 (1.9) | 59 (4.9) | |
| F | 3 (5.8) | 45 (3.8) | |
| G | 19 (36.5) | 187 (15.7) | |
| Trabecular hematoma | 19 (36.5) | 187 (15.7) | < 0.001 |
| Maximum transverse diameter of hematoma in cm | 2.11 ± 0.82 | 2.20 ± 0.65 | 0.371 |