Questionnaire of Olfactory Disorders-Negative Statements

1. Questionnaire of Olfactory Disorders-Negative Statements predict dysosmia in humans (optimal cutoff 8.0, Youden's index 0.23).

   “Receiver operating characteristic curve demonstrated a QOD-NS of 8.0 as the optimal cutoff for a Youden's index of 0.23 for detection of dysosmia in aging patients.”

   Humans

   Utility of the Questionnaire of Olfactory Disorders-Negative Statements in Age-Related Olfactory Dysfunction

   American journal of rhinology & allergy·27 Oct 2025

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1. Questionnaire of Olfactory Disorders-Negative Statements are associated with Patient Health Questionnaire-9 in humans (r = 0.283, P = 0.001).

   “PHQ9 (r = 0.283, P = 0.001)”

   Humans

   Utility of the Questionnaire of Olfactory Disorders-Negative Statements in Age-Related Olfactory Dysfunction

   American journal of rhinology & allergy·27 Oct 2025

More on Patient Health Questionnaire-9

1. Questionnaire of Olfactory Disorders-Negative Statements are associated with Sniffin' Sticks TDI score in humans (r = -0.386, p < 0.001).

   “Aging subjects had significant correlations between QOD-NS and TDI (r = -0.386, p < 0.001)”

   Humans

   Utility of the Questionnaire of Olfactory Disorders-Negative Statements in Age-Related Olfactory Dysfunction

   American journal of rhinology & allergy·27 Oct 2025

More on Sniffin' Sticks TDI score