Table 2. Demographic information and baseline performance of cognitively declineda and non-declined participants.
| Variables | Age | Educ. yearsb | MMSE | CAMCOG-R | SS-T | SS-D | SS-I | SS-TDI |
|---|---|---|---|---|---|---|---|---|
| Non-declined (N=250) | 62.59 (±6.98) | 13.65 (±3.65) | 29.20 (±1.11) | 98.63 (±3.28) | 7.53 (±2.32) | 11.90 (±2.21) | 12.62 (±1.91) | 31.79 (±4.13) |
| Declined (N=58) | 65.10 (±8.08) | 13.22 (±4.25) | 28.95 (±1.05) | 98.84 (±3. 94) | 6.87 (±2.55) | 10.80 (±2.86) | 12.20 (±2.16) | 29.65 (±6.04) |
| P | 0.017* | 0.442 | 0.124 | 0.664 | 0.063 | 0.009*,c | 0.153 | 0.013*,c |
Abbreviations: CAMCOG-R, The Revised Cambridge Cognitive Examination; MMSE, Mini Mental State Examination; SS-D, Sniffin' Sticks discrimination; SS-I, Sniffin' Sticks identification; SS-T, Sniffin' Sticks threshold; SS-TDI, Sniffin' Sticks composite score.
a
Cognitive decline was considered as a score ⩾1 s.d. below baseline performance on CAMCOG-R in the last assessment.
b
Education years.
c
Equal variance not assumed.
*P⩽0.05.