Table 2.
Relationship between clinical characteristics and trauma after surgery in CSDH patients.
| Characteristics analyzed | Trauma n (%) | p | |
|---|---|---|---|
| Yes (805) | No (502) | ||
| Reduction of hematoma cavity (%) | 58.9 ± 21.4 | 55.2 ± 22.2 | 0.002 |
| Symptom disappeared or alleviated (day) | 2.5 ± 1.9 | 2.7 ± 2.2 | 0.162 |
| Duration of drainage catheter (day) | 3.5 ± 1.8 | 3.4 ± 2.1 | 0.651 |
| Length of hospital stay (days) | 7.9 ± 4.5 | 7.3 ± 3.7 | 0.016 |
| Use of urokinase | 434 (53.9) | 271 (54.0) | 0.980 |
| Frequency of urokinase used | 1.7 ± 0.9 | 1.6 ± 0.9 | 0.678 |
| Recurrence requiring reoperation | 13 (1.6) | 11 (2.2) | 0.183 |
| Complications | 55 (6.8) | 32 (6.4) | 0.747 |
| Death (hospital stay) | 4 (0.5) | 4 (0.8) | 0.490 |
| Death (in 6 month) | 12 (1.5) | 6 (1.2) | 0.656 |
| Outcome (MRS) | 0.233 | ||
| 0–3 | 778 (96.6) | 488 (97.2) | |
| 4–6 | 19 (2.4) | 13 (2.6) | |