Table 1 Participant characteristics
From: An olfactory ‘stress test’ may detect preclinical Alzheimer’s disease
NCn= 29 | CIn= 13 | ADn= 14 | Significancen= 56 | |
|---|---|---|---|---|
Age | 74.0 (6.6) | 77.1 (5.6) | 75.3 (4.6) | F(2,53) = 1.3, P = 0.28 |
Female n, (%) | 20 (69) | 7 (54) | 4 (29) | χ(2) 2 =6.2, P = 0.04 |
Education y (SD) | 10.6 (3.1) | 11.3 (3.3) | 11.1 (2.6) | F(2,53) = 0.33, P = 0.77 |
MMSE (SD) | 29.0 (1.6) | 27.6 (2.4) | 23.6 (4.0) | F(2,53) = 21.0, P < 0.001, NC, CI > AD |
ARCSg | 107.2 (9.3) | 84.7 (10.8) | 57.2 (21.1) | F(2,53) = 66.2,P < 0.001, NC > CI > AD |
Mem | 104.0 (11.5) | 72.1 (19.9) | 60.4 (12.9) | F(2,53) = 52.7,P < 0.001, NC > CI, AD |
UPSIT_20 | 14.3 (2.6) | 14.6 (2.9) | 10.4 (2.7) | F(2,53) = 11.5, P < 0.001, NC, CI > AD |
AE | 0.28 (2.15) | −2.77 (2.71) | −2.43 (1.45) | F(2,53) = 12.5, P < 0.001, NC > CI, AD |
LHCV | 1819 (370) | 1410 (363) | 1385 (293) | F(2,48) = 9.1, P < 0.001, NC > CI, AD |