Table 2.
Survival and neurosurgical transfer among patients with extradural haematoma or subdural haematoma. Figures are numbers (percentage) of patients unless stated otherwise
| Outcome
|
Extradural haematoma
|
Subdural haematoma
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| <65 years (n=167)
|
⩾65 years (n=18)
|
% difference (95% CI)
|
P value
|
<65 years (n=249)
|
⩾65 years (n=93)
|
% difference (95% CI)
|
P value
|
||
| Transferred | 142 (85) | 10 (56) | 29 (6 to 53) | 0.005 | 191 (77) | 56 (60) | 17 (5 to 28) | 0.004 | |
| Survived | 165 (99) | 15 (83) | NA | 0.007 | 229 (92) | 61 (66) | NA | <0.001 | |
| Survived after transfer | 141 (99) | 8 (80) | NA | 0.01 | 183 (96) | 41 (73) | NA | <0.001 | |
| Survived without transfer | 24 (96) | 7 (87) | NA | 0.43 | 46 (79) | 20 (54) | 25 (6 to 44) | 0.01 | |
NA=not applicable because sample percentage >90%.