[A historic cohort study on the survival rate and the correlated risk factors regarding 174 patients with subarachnoid hemorrhage].

Objective: To describe the survival state and to investigate the risk factors of death on patients with subarachnoid hemorrhage (SAH).

Methods: Age, past history, number of encephalic region suffering SAH, laboratory examination indexes, therapeutic measures, complications and prognosis of 174 patients with SAH were followed-up and investigated. The survival states and risk factors of death of the patients with SAH were identified by both Kaplan-Meier survival analysis and Cox proportional risk model.