Table 3.
OSIT-J odorants and trends of declining identifiability with dementia progression by Jonckheere-Terpstra test.
| Odorant | Z value | p |
|---|---|---|
| perfume | 4.70 | <0.001 |
| rose | 3.33 | <0.001 |
| Japanese cypress (hinoki) | 2.97 | 0.003 |
| curry | 2.76 | 0.006 |
| India ink | 2.54 | 0.01 |
| gas leak odour | 2.07 | 0.04 |
| menthol | 1.93 | 0.053 |
| condensed milk | 1.37 | 0.17 |
| Japanese orange | 1.20 | 0.23 |
| wood | 1.20 | 0.23 |
| roasted garlic | 0.55 | 0.58 |
| sweaty socks | 0.40 | 0.69 |
The odour stick identification test for Japanese (OSIT-J) “Cognitive subset” consists of the six odorants that showed a significant trend of decline in identifiability with dementia progression.