Research Article

Diseases That Occur Prior to Spontaneous Intracerebral Hemorrhage: Identification of Predisposing and Risk Factors Using Lag Sequential Analysis

Figure 1

Flowchart of data management. NHIRD, National Health Insurance Research Database, 2006–2010. sICH ICD-9 code 431: 2,088 cases in total. Cases of suspected traumatic ICH (ICD-9 codes 800.00–804.99, 850.00–854.19, 959.01, and 959.09) were excluded in this study, resulting in 2036 cases remaining for analysis.