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Table 2 The score for each smell in the OE tests in the normal Trp group and low Trp group

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

Smell Correct answer rate (%)
Normal Low Trp Significance
India ink 63.0 25.0 **
Timber 29.7 37.5 N.S.
Perfume 35.9 6.3 *
Menthol 63.2 68.8 N.S.
Mandarin orange 57.0 43.8 N.S.
Curry 84.4 62.5 *
Gas 44.9 25.0 N.S.
Rose 28.9 6.3 N.S.
Cypress 65.6 43.8 N.S.
Sweaty smelling socks 63.3 31.3 *
Condensed milk 66.4 60.0 N.S.
Fried garlic 46.1 31.3 N.S.
  1. Each column shows the correct answer rate for each group. Significant: *P < 0.05, **P < 0.01 between normal Trp and low Trp group (Fisher’s exact test)