Table 4.
Clinical results in the postoperative period according to personal and medical characteristics of patients
| Variable | Outcome | Chi-square (p) | |
|---|---|---|---|
| Good (n [%]) | Bad or no change (n[%]) | ||
| Sex | |||
| Male | 174 (89.2) | 21 (10.8) | 0.552 |
| Female | 48 (84.2) | 9 (15.8) | |
| Age | |||
| < 60 years | 33 (91.7) | 3 (8.3) | 0.680 |
| ≥ 60 years | 189 (87.5) | 27 (12.5) | |
| Preoperative GCS | |||
| > 12 | 204 (100.0) | 0 (0.0) | 0.001 |
| ≤ 12 | 18 (37.5) | 30 (62.5) | |
| Medical illness | |||
| Absent | 144 (88.9) | 18 (11.1) | 0.763 |
| Present | 78 (86.7) | 12 (13.3) | |
| Site of hematoma | |||
| Unilateral | 195 (87.8) | 27 (12.2) | 0.843 |
| Bilateral | 27 (90.9) | 3 (10.0) | |
| Types of CSDH | |||
| Hypodens | 132 (86.3) | 21 (13.7) | 0.610 |
| Isodens | 72 (88.9) | 9 (11.1) | |
| Slightly hyperdens | 18 (100.0) | 0 (0.0) | |
| Types of procedure | |||
| CTIM | 114 (79.2) | 30 (20.8) | 0.243 |
| BCOMI | 90 (83.3) | 18 (16.7) | |
| Preoperative Markwalder grade* | |||
| Good | 141 (100.0) | 0 (0.0) | 0.001 |
| Bad | 81 (73.0) | 30 (27.0) | |
*
McNemar test. BCOMI: burr-hole craniotomy and outer membrane incision, CSDH: chronic subdural hematoma, CTIM: catheterization and tearing of inner membrane.