Impact of Hyperoxia and Hypocapnia on Neurological Outcomes in Patients with Aneurysmal Subarachnoid Hemorrhage: A Retrospective Study

Figure 2

Classification tree model for determining factors of poor neurological outcome. Abbreviations: GOS = Glasgow Outcome Scale; APACHE = Acute Physiology and Chronic Health Evaluation; ICH = intracranial hemorrhage; IVH = intraventricular hemorrhage; WFNS = World Federation of Neurosurgical Society; N = number; df = degrees of freedom.