The investigators investigated the association between the frontal QRS/T angle measured on admission ECG and 28-day mortality, as well as neurological outcome in patients with non-traumatic aneurysmal SAH. Specifically, the investigators tested the hypothesis that an increased frontal QRS/T angle would be independently associated with higher mortality and poorer clinical outcomes in patients with SAH. Accordingly, the investigators also analyzed the relationship between the frontal QRS/T angle and neurological status assessed based on Glasgow Outcome Scale (GOS), as well as disease severity determined by the Hunt-Hess and Fisher grading systems.
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Predictive ability of frontal-QRST angle for 28-day mortality
Timeframe: From admission to 28 days