Table 4.
Statistics of differences between unilaterally or bilaterally primary decompression in patients with bilateral CSDH.
|
Unilateral Decompression N (%) Total = 109 |
Bilateral Decompression N (%) Total = 145 |
p-value | |
|---|---|---|---|
| Recurrence <3 months | 18 (17) | 22 (15) | 0.7711 |
| Hematoma thickness, cm (mean ± SD) | 2.9 ± 0.8 | 3.0 ± 0.9 | 0.0572 |
| MGS score at presentation: | 0.6591 | ||
| MGS 0: | 0 (0) | 0 (0) | |
| MGS 1: | 30 (28) | 47 (32) | |
| MGS 2: | 73 (67) | 88 (61) | |
| MGS 3: | 3 (3) | 7 (5) | |
| MGS 4: | 1 (1) | 1 (1) | |
| Missing | 2 (2) | 2 (1) | |
| Midline shift, mm (mean ± SD) | 7.5 ± 3.8 | 5.6 ± 3.0 | 0.0012 |
Number of bilateral CSDH patients with known side of primary decompression n = 254.
1
analyzed with χ2 test;
2
analyzed with Mann Whitney U test.