Risk Factors for Chronic Subdural Hematoma after a Minor Head Injury in the Elderly: A Population-Based Study

Table 3

Cox regression model for predictor of subdural hematoma development.

Variables	HR	95% CI	value
Gender
Female	1.00
Male	1.96	1.57–2.45	<0.001
Age
≤75	1.00
>75	1.68	1.35–2.08	<0.001
Comorbidity
DM	1.18	0.93–1.48	0.173
Hypertension	0.91	0.71–1.16	0.443
Chronic kidney disease	0.62	0.39–0.98	0.042
Chronic liver disease	0.76	0.58–1.00	0.052
Rheumatic heart disease	1.03	0.55–1.96	0.917
Ischemic heart disease	0.89	0.70–1.12	0.312
Af/AF	0.68	0.38–1.22	0.196
Heart failure	0.86	0.63–1.18	0.345
Deep vein thrombosis	0.79	0.35–1.78	0.572
Hydrocephalus	2.57	1.44–4.58	0.001