TABLE 5.
Probability of MCI/AD diagnosis after clinical evaluation according to individual characteristics
| MCI/AD (n = 49) | No MCI/AD (n = 42) | |||||
|---|---|---|---|---|---|---|
| n | % | N | % | OR (95% CI) | P | |
| Age | ||||||
| 65–69 years a | 17 | 34.7 | 19 | 45.2 | 1 | |
| 70–74 years | 22 | 44.9 | 14 | 33.3 | 3.33 (0.81–13.66) | .10 |
| 75–79 years | 7 | 14.3 | 8 | 19.0 | 0.56 (0.10–3.20) | .51 |
| 80–85 years | 3 | 6.1 | 1 | 2.4 | 0.83 (0.05–14.98) | .90 |
| Sex | ||||||
| Femalea | 19 | 38.8 | 26 | 61.9 | 1 | |
| Male | 30 | 61.2 | 16 | 38.1 | 2.28 (0.70–7.42) | .17 |
| Education | ||||||
| Primary or lessa | 10 | 20.4 | 8 | 19.0 | 1 | |
| Secondary | 16 | 32.7 | 23 | 54.8 | 0.21 (0.03–1.35) | .10 |
| Undergraduate | 16 | 32.7 | 8 | 19.0 | 1.26 (0.18–8.89) | .82 |
| Postgraduate | 7 | 14.3 | 3 | 7.1 | 1.47 (0.13–17.10) | .76 |
| Traffic | ||||||
| Unpaid sourcesa | 19 | 38.8 | 17 | 40.5 | 1 | |
| Google Display | 16 | 32.7 | 14 | 33.3 | 0.14 (0.02–0.94) | .04 |
| Adwords | 8 | 16.3 | 7 | 16.7 | 11.97 (0.84–169.95) | .07 |
| 6 | 12.2 | 4 | 9.5 | 14.06 (1.67–118.56) | .02 | |
| Country | ||||||
| Sloveniaa | 13 | 26.5 | 18 | 42.9 | 1 | |
| Spain | 22 | 44.9 | 9 | 21.4 | 14.97 (1.87–119.92) | .01 |
| Sweden | 12 | 24.5 | 5 | 11.9 | 14.11 (1.68–118.65) | .01 |
| Netherlands | 2 | 4.1 | 4 | 9.5 | 0.04 (0.00–0.77) | .03 |
| Germany | 0 | 0.0 | 6 | 14.3 | NA | |
Notes: Odds ratios (OR) and 95% confidence interval (CI) estimates adjusted for all variables in the table using an unconditional logistic regression model.
a
Reference category.
Abbreviations: AD, Alzheimer's disease; MCI, mild cognitive impairment.