Predictive Factors and Clinical Prediction Score for Serious Intracranial Causes in Acute Nontraumatic Headache at an Emergency Department

Table 3

Final diagnosis of serious intracranial cause of acute nontraumatic headache.

Final diagnosis	No. of patients (%)
Neoplasm	23 (26.1)
Intracranial infection	22 (25.0)
Intracerebral hemorrhage	15 (17.0)
Acute subarachnoid hemorrhage	13 (14.8)
Ischemic stroke	6 (6.8)
Cerebral venous sinus thrombosis	5 (5.7)
Hypertensive encephalopathy	1 (1.1)
Arteriovenous malformation	1 (1.1)
Hydrocephalus	1 (1.1)
Giant cell arteritis	1 (1.1)
Total	88 (100)