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To measure health‐related and olfaction‐related quality of life (QoL) in patients with permanent, severe hyposmia or functional anosmia.

A case study in a university ENT department of patients with severe olfactory dysfunction defined by Sniffin' Sticks olfactory test kit with a score for odor threshold, discrimination, and identification (TDI) < 20 and a dysfunction lasting longer than 6 months.

Assessment of QoL by using the SF‐36 Health Survey questionnaire and the Questionnaire for Olfactory Dysfunction (QOD).

A total of 958 patients were tested for smell disturbances from 1999 to 2009. Surveys were mailed to 527 patients who fulfilled the inclusion criteria; 280 (53%) returned completed surveys. All SF‐36 domains in severely hyposmic and anosmic patients were lower than in the German normal population. Lower SF‐36 QoL was found for some domains …