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Table 1 Characteristics of the enrolled subjects

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

Variables Number
Number 137
Sex
 Male: female 28:109
Age (years)
 Mean ± SD 71.60 ± 7.56
 Range 58–92
Smoking
 Non-smoker, n (%) 134 (98.5%)
 Smoker, n (%) 3 (1.5%)
Number of subjects with AD (%) 38 (28.1%)
Number of subjects with VD (%) 7 (5.2%)
MMSE-K 22.08 ± 6.56
CERAD-K 60.05 ± 22.72
YSK_threshold 2.41 ± 1.79
YSK_discrimination 6.11 ± 2.07
YSK_identification 8.93 ± 3.25
YSK_TDI 17.46 ± 5.49
Mean score of PEA sniffing bead system 2.58 ± 1.52
Mean score of n-butanol sniffing bead system 3.07 ± 1.50
  1. AD Alzheimer’s disease, CERAD-K Consortium to Establish a Registry for Alzheimer’s Disease-Korean version, MMSE-K Mini-Mental State Examination-Korean version, PEA 2-phenylethyl alcohol, SD Standard deviation, VD Vascular dementia, YSK_TDI YSK_threshold-discrimination-identification
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