Fig. 2From: Symptoms presented during emergency telephone calls for patients with spontaneous subarachnoid haemorrhageSymptoms reported by patients with spontaneous subarachnoid haemorrhage and controls, in calls to the Emergency Medical Coordination Center. Crude odds ratios are presented with 95% confidence intervals. Two hundred twenty-four cases were included of which 178 were conscious. N number, OR odds ratio, 95% CI 95% confidence intervalBack to article page