Table 3.
Statistics of differences between unilateral and bilateral CSDH (N = 1029).
|
Unilateral CSDH N (%) Total = 772 |
Bilateral CSDH N(%) Total = 257 |
p-value | |
|---|---|---|---|
| Sex | 0.2791 | ||
| - Male | 573 (74) | 200 (78) | |
| - Female | 199 (26) | 57 (22) | |
| Age (mean + SD) | 73 (11.2) | 74 (10.3) | 0.5552 |
| Markwalder Grading Scale at admission |
0.2791 | ||
| MGS 0: | 4 (0.5) | 0 (0) | |
| MGS 1: | 247 (32) | 79 (31) | |
| MGS 2: | 486 (63) | 162 (63) | |
| MGS 3: | 21 (3) | 10 (4) | |
| MGS 4: | 1 (0.1) | 2 (1) | |
| Missing | 13 (2) | 4 (1) | |
| Charlson comorbidity index | 0.5241 | ||
| CCI : 0 | 20 (3) | 4 (2) | |
| CCI: 1 | 42 (5) | 10 (4) | |
| CCI: 2 | 95 (12) | 28 (11) | |
| CCI: 3 | 177 (23) | 49 (19) | |
| CCI: 4 | 191 (25) | 69 (27) | |
| CCI: 5 | 116 (15) | 47 (18) | |
| CCI: 6 or more | 128 (17) | 45 (18) | |
| Missing | 3 (0.4) | 5 (2) | |
| Recurrence <3 months | 75 (10) | 40 (16) | 0.0121 |
| Mortality <3 months | 26 (3) | 14 (5) | 0.1391 |
1
analyzed with χ2 test;
2
analyzed with Mann Whitney U-test.