title: Periappendicitis among patients suspected for acute appendicitis.
authors.affiliation: Department of Surgery, Skive Hospital, Denmark.
authors.forename: K L
authors.initials: KL
authors.lastname: Rasmussen
authors.forename: K
authors.initials: K
authors.lastname: Borup
authors.forename: T A
authors.initials: TA
authors.lastname: Knudsen
mesh_terms: D000208:Acute Disease; D001064:Appendicitis / Q000175:diagnosis* / Q000453:epidemiology; D003718:Denmark / Q000453:epidemiology; D006801:Humans; D015995:Prevalence; D012189:Retrospective Studies; D012737:Sex Factors