Table 1.
Demographic Features and Olfactory Test Results of the Study Groups.
| Characteristic | Group 1 (n = 24) | Group 2 (n = 38) | Group 3 (n = 29) | P value |
|---|---|---|---|---|
| Age | 35 ± 11.5 | 43.7 ± 11.8 | 36.9 ± 11 | .009 a |
| Sex (female/male) | 14/10 | 21/17 | 13/16 | .56 b |
| Threshold | 1.2 ± 0.5 | 1.7 ± 2 | 11 ± 1 | <.001 a |
| Discrimination | 0.9 ± 1 | 1.5 ± 1.7 | 12.5 ± 1.5 | <.001 a |
| Identification | 1.4 ± 2 | 2.3 ± 2.7 | 13.3 ± 0.7 | <.001 a |
| TDI scores c | 3.6 ± 3.3 | 5.5 ± 5.1 | 35 ± 2.3 | <.001 a |
Abbreviation: TDI, threshold discrimination identification.
a
Analysis of variance with post hoc Dunnett’s test.
b
Chi-square test.
c
Sum of odor threshold, odor discrimination, and odor identification scores.