Table 3.
Comparisons of olfactory function among groups of Control, MCI due to AD and AD dementia by Sniffin’ Sticks test.
| Olfactory variables | Control group (30 cases) |
MCI due to AD group (37 cases) |
AD dementia group (60 cases) |
P1 | P2 | Adjusted P2 |
|---|---|---|---|---|---|---|
| TDI [points, median (quartile)] | 29.50 (24.75, 31.00) | 26.00 (22.00, 29.00) | 17.00 (12.00, 22.00) | 0.000 | 0.000 | 0.000 |
| THR [points, median (quartile)] | 6.00 (5.75, 7.00) | 6.00 (4.00, 6.00) | 4.00 (2.00, 6.00) | 0.000 | 0.000 | 0.012 |
| DIS [points, median (quartile)] ID [points, median (quartile)] |
11.50 (8.75, 12.00) 12.00 (10.00, 13.00) |
10.00 (8.00, 11.00) 10.00 (8.00, 13.00) |
6.50 (4.00, 8.00) 7.00 (5.00, 9.00) |
0.001 0.055 |
0.000 0.000 |
0.000 0.000 |
HRS: Hyposmia Rating Scale, TDI: Threshold + Discrimination + Identification, THR: Threshold, DIS: Discrimination, ID: Identification, P1: Control group vs MCI due to AD group, P2: MCI due to AD group vs AD dementia group