Mixed model results of time to surgery
| Variable | Estimate | SE | Z | Pr(>|z|) | OR (95% CI) |
| Age | 0.019 | 0.007 | 2.661 | 0.008 | 1.02 (1.00 to 1.03) |
| Initial mRS | −0.178 | 0.084 | −2.109 | 0.034 | 0.84 (0.71 to 0.99) |
| Preoperative GCS | 0.172 | 0.056 | 3.067 | 0.002 | 1.19 (1.06 to 1.32) |
| Antiplatelet medications=yes | 0.477 | 0.208 | 2.287 | 0.022 | 1.61 (1.07 to 2.42) |
| No of comorbidities | 0.324 | 0.094 | 3.454 | <0.001 | 1.38 (1.15 to 1.66) |
| CSDH=unilateral only | −0.445 | 0.204 | −2.177 | 0.029 | 0.64 (0.43 to 0.96) |
CSDH, chronic subdural hematoma; GCS, Glasgow Coma Scale; mRS, modified Rankin Scale.