TABLE 2.
Lesion Characteristics and Outcomes by Treatment Group
| Variable | Total (n = 66) | No-AT (n = 43) | AT (n = 23) | P value |
|---|---|---|---|---|
| Septate, n (%) | 45 (68.2) | 31 (72.1) | 14 (60.9) | .41 |
| SDH thickness, mm, mean (SD) | 13.2 (5.3) | 13.9 (5.5) | 11.9 (5.0) | .15 |
| Follow-up SDH thickness, mm, mean (SD) | 8.6 (5.5) | 8.4 (5.1) | 8.9 (6.2) | .74 |
| Reduction in SDH thickness, mm, mean (SD)a | −4.6 (5.8) | −5.5 (5.4) | −3.0 (6.4) | .10 |
| Recurrence, n (%) | 11 (16.7) | 4 (9.3) | 7 (30.4) | .04 |
| Reoperation, n (%) | 4 (6.1) | 2 (4.7) | 2 (8.7) | .61 |
| Midline shift, mm, mean (SD) | 3.2 (3.1) | 3.2 (3.2) | 3.1 (2.8) | .82 |
| Follow-up midline shift, mm, mean (SD) | 1.4 (2.8) | 1.2 (2.4) | 1.8 (3.4) | .43 |
| Reduction in midline shift, mm, mean (SD)a | −1.8 (3.0) | −2.0 (3.2) | −1.3 (2.6) | .34 |
AT, antithrombotics; SDH, subdural hematoma.
a
Only in nonrecurrent lesions.