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Table 3 Effects of low plasma Trp level on olfactory functions in the study population

From: Low plasma tryptophan is associated with olfactory function in healthy elderly community dwellers in Japan

Variable Odds ratio (95% CI) P value
India ink 5.16 (1.6–19.9) 0.0047**
Perfume 7.40 (1.38–137) 0.0154*
Curry 3.02 (0.84–10.2) 0.0871
Sweaty smelling socks 3.26 (1.06–11.2) 0.0384*
OE score ≤ 7 7.75 (1.42–145) 0.0142*
  1. Odds ratio for correct answer to each smell or olfactory function (OE score < 8) was adjusted by age and sex. 95% CI: 95% Confidence interval. Significant: *P < 0.05; **P < 0.01 (likelihood ratio tests)