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Table 2 Correlation between each component of the olfactory function test (YSK) and the scores of the PEA sniffing bead system in subjects with and without cognitive impairment

From: The sniffing bead system, an olfactory dysfunction screening tool for geriatric subjects: a cross-sectional study

  Normal Cognitive impairment Total
Coefficient p Coefficient p Coefficient p
YSK_threshold 0.479 < 0.001 0.415 0.002 0.429 < 0.001
YSK_discrimination 0.195 0.074 0.185 0.183 0.140 0.101
YSK_identification 0.316 0.003 0.257 0.068 0.208 0.014
YSK_TDI 0.429 < 0.001 0.385 0.004 0.316 < 0.001
  1. Coefficient, Pearson’s correlation coefficient; YSK_TDI YSK_threshold-discrimination-identification
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