Table 3 Markwalder grading of chronic subdural hematoma patients before and after surgery
From: Outcome of single burr hole under local anesthesia in the management of chronic subdural hematoma
Markwalder grade | Preoperative no. | Percent | Early postoperative no. | Percent | Late postoperative no. | Percent |
|---|---|---|---|---|---|---|
Grade 0 | 3 | 4.48 | 53 | 79.10 | 55 | 83.3 |
Grade 1 | 20 | 29.85 | 13 | 19.40 | 10 | 15.2 |
Grade 2 | 23 | 34.33 | 1 | 1.50 | 1 | 1.5 |
Grade 3 | 17 | 25.37 | 0 | 00 | 0 | 00 |
Grade 4 | 4 | 5.97 | 0 | 00 | 0 | 00 |
Total | 67 | 100 | 67 | 100 | 66 | 100 |