Figure 4From: Pituitary-adrenal function in patients with acute subarachnoid haemorrhage: a prospective cohort studyPercentage of patients with baseline serum free cortisol concentration less than 55 nmol/L or serum total cortisol concentration less than 500 nmol/L. * = difference between the groups at day one, p = 0.046. ** = difference between the groups at day one, p < 0.001.Back to article page