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Table 4 Correlation between gustatory test results and other test results

From: Detection and recognition thresholds for five basic tastes in patients with mild cognitive impairment and Alzheimer’s disease dementia

 AgeMedicationsBMISalivationTotal proteinAlbuminZincTDAS
All patients
 DT0.186−0.082−0.248*0.0960.076−0.168−0.1180.179
 RT0.229*0.078−0.0670.1770.132−0.112−0.0650.268*
ADD
 DT0.061− 0.217− 0.0410.1460.004−0.322− 0.390*− 0.008
 RT0.173− 0.0180.1260.3530.153−0.065−0.1250.014
MCI
 DT0.203−0.021−0.2090.0340.188−0.196−0.1030.083
 RT−0.0020.099−0.0390.1880.243−0.150−0.0840.087
NDC
 DT−0.1410.332−0.4630.139−0.2040.2010.1940.096
 RT0.1190.449−0.128− 0.281−0.4120.090−0.0850.133
  1. In all patients, correlations between DT and age and total protein were analyzed using Pearson’s correlation coefficient, and other correlation analyses were conducted using Spearman’s correlation coefficient. In patients with ADD, correlations between DT or RT, and age, BMI, total protein, zinc, and TDAS score were analyzed using Pearson’s correlation coefficient, and other correlation analyses were conducted using Spearman’s correlation coefficient. In patients with MCI, correlations between DT or RT and age, total protein, albumin, and zinc were analyzed using Pearson’s correlation coefficient, and other correlation analyses were conducted using Spearman’s correlation coefficient. In NDCs, correlations between DT and age, medications, salivation, total protein, albumin, and zinc were analyzed using Pearson’s correlation coefficient, and other correlation analyses were conducted using Spearman’s correlation coefficient
  2. ADD Alzheimer’s disease dementia, MCI mild cognitive impairment, NDC non-demented control, DT detection threshold, RT recognition threshold, BMI body mass index, TDAS Touch Panel-type Dementia Assessment Scale
  3. Data are presented correlation coefficient (r). *p < 0.05
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