Table 1.
Characteristics of the overall study sample.
Table 2.
Characteristics of patients with subarachnoid hemorrhage who were identified in the Regional Administrative Database of Umbria.
Table 3.
Characteristics of patients with intracerebral hemorrhage who were identified in the Regional Administrative Database of Umbria.
Table 4.
Characteristics of patients with other and unspecified intracranial hemorrhage who were identified in the Regional Administrative Database of Umbria.
Table 5.
Characteristics of patients with occlusion and stenosis of precerebral arteries who were identified in the Regional Administrative Database of Umbria.
Table 6.
Characteristics of patients with occlusion of cerebral arteries who were identified in the Regional Administrative Database of Umbria.
Table 7.
Characteristics of patients with acute, but ill-defined, cerebrovascular disease who were identified in the Regional Administrative Database of Umbria.
Table 8.
Cross tabulation of the index test (ICD-9-CM code) for the results of the reference standard (medical chart).
Table 9.
Hemorrhagic stroke: reasons for incorrect identification of cases and controls.
Table 10.
Ischemic stroke: reasons for incorrect identification of cases and controls.