Smell Screening With a Mobile Test - Takeaways - MDSpire

Smell Screening With a Mobile Test

  • By

  • Kathryn Wighton

  • February 5, 2026

  • 3 min

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  • 1

    A mobile app-based olfactory screening test achieved an area under the curve of 0.87, with sensitivity of 74% and specificity of 86%.

  • 2

    The study enrolled 484 adults, with a mean age of 53.4 years, and 15% reported subjective olfactory dysfunction.

  • 3

    Participants with self-reported olfactory dysfunction scored significantly lower on the test compared to those with normal olfactory function.

  • 4

    The test utilized a five-item smell identification format with rub-and-sniff scent cards, completed in an average of 142 seconds.

  • 5

    The study's limitations include single-center design, reduced sample size for diagnostic accuracy, and focus solely on odor identification.

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