From: Inner membrane opening during the burr-hole evacuation of a chronic subdural hematoma: risk-adding or recurrence-preventing?
Patient (%)
Hemoglobin ≤ 10 g/dl
6 (7.4%)
Bleeding tendencies
40 (49.4%)
Hypertension
53 (65.4%)
Diabetes mellitus
29 (35.8%)
Chronic liver disease
9 (11.1%)
Ischemic heart disease
14 (17.3%)