title: Obstructive sleep apnea: re-evaluating our index of severity.
authors.forename: Sigrid Carlen
authors.initials: SC
authors.lastname: Veasey
mesh_terms: D003700:Delta Rhythm; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D017286:Polysomnography; D012720:Severity of Illness Index; D020181:Sleep Apnea, Obstructive / Q000150:complications / Q000175:diagnosis*; D012894:Sleep Stages / Q000502:physiology; D014851:Wakefulness / Q000502:physiology