Figure 2From: Hidden consequences of olfactory dysfunction: a patient report series Study population. The subjects of this study are from 64 different countries with most from the USA, the UK, India, and Canada. (a) The gender (b), self-reported race (c), and age as well as age at onset of the olfactory dysfunction (d) of the subjects is shown. In (e) the responses to three of the questionnaire questions are shown.Back to article page