Table 2.
Morbidity, perioperative complications, and mortality in patients with an operatively treated chronic subdural hematoma
| Total n = 978 |
Age group | Recurrence | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18–59 n = 145 |
60–79 n = 502 |
≥ 80 n = 331 |
p value | No n = 700 |
Yes n = 278 |
p value | ||||||||
| n | % | n | % | n | % | n | % | n | % | n | % | |||
| Comorbidity | 748 | 76.5 | 74 | 51.0 | 377 | 75.1 | 297 | 89.7 | < 0.001 | 534 | 76.3 | 214 | 77.0 | 0.82 |
| Complications | ||||||||||||||
| Seizures | 55 | 5.6 | 5 | 3.4 | 33 | 6.6 | 17 | 5.1 | 0.32 | 27 | 3.9 | 28 | 10.1 | < 0.001 |
| Acute subdural hematoma | 11 | 1.1 | 1 | 0.6 | 8 | 1.4 | 2 | 0.5 | 0.30 | 6 | 0.9 | 5 | 1.8 | 0.21 |
| Intracerebral hemorrhage | 6 | 0.6 | 0 | 0 | 5 | 0.9 | 1 | 0.2 | 0.24 | 3 | 0.4 | 3 | 1.1 | 0.24 |
| Cerebrovascular infarction | 6 | 0.6 | 1 | 0.6 | 3 | 0.5 | 2 | 0.5 | 1.0 | 3 | 0.4 | 3 | 1.1 | 0.24 |
| Surgical site infection | 29 | 3.0 | 1 | 0.7 | 20 | 4.0 | 8 | 2.4 | 0.92 | 15 | 2.1 | 14 | 5.0 | 0.016 |
| Empyema | 20 | 2.0 | 1 | 0.7 | 16 | 3.2 | 3 | 0.9 | 0.05 | 8 | 1.1 | 12 | 4.3 | 0.002 |
| Pulmonary embolus | 2 | 0.2 | 0 | 0 | 1 | 0.2 | 1 | 0.3 | 0.80 | 1 | 0.1 | 1 | 0.4 | 0.50 |
| Pneumonia | 25 | 2.6 | 0 | 0 | 11 | 2.2 | 14 | 4.2 | 0.020 | 12 | 1.7 | 13 | 4.7 | 0.008 |
| Discharge to home | 409 | 41.8 | 93 | 64.1 | 253 | 50.4 | 63 | 19.0 | < 0.001 | 291 | 41.6 | 118 | 42.4 | 0.80 |
| Mortality | ||||||||||||||
| 30 days | 25 | 2.6 | 2 | 1.4 | 12 | 2.4 | 11 | 3.4 | 0.43 | 23 | 3.3 | 2 | 0.7 | 0.022 |
| 6 months | 82 | 8.5 | 4 | 2.8 | 38 | 7.6 | 40 | 12.3 | 0.002 | 66 | 9.5 | 16 | 5.9 | 0.06 |
| 1 year | 120 | 12.4 | 6 | 4.2 | 50 | 10.1 | 64 | 19.8 | < 0.001 | 92 | 13.3 | 28 | 10.3 | 0.20 |
| 2 years | 200 | 20.7 | 14 | 9.7 | 84 | 16.9 | 102 | 31.5 | < 0.001 | 145 | 21.0 | 55 | 20.1 | 0.77 |