title: First things first.
authors.affiliation: Department of Neurosurgery, The Walton Centre for Neurology and Neurosurgery, Liverpool L9 7LJ, UK. drnaf@yahoo.com
authors.forename: Naeem
authors.initials: N
authors.lastname: Farooqi
authors.forename: Andreas T
authors.initials: AT
authors.lastname: Kouyialis
authors.forename: Andrew
authors.initials: A
authors.lastname: Brodbelt
mesh_terms: D000368:Aged; D003221:Confusion / Q000209:etiology*; D006801:Humans; D008297:Male; D011183:Postoperative Complications / Q000175:diagnosis*; D010818:Practice Patterns, Physicians'; D014057:Tomography, X-Ray Computed; D014552:Urinary Tract Infections / Q000150:complications* / Q000175:diagnosis