Table 4.
Cox proportional hazard regression analysis for APOE ε4 carrier and non-carriers.
| APOE ε4 Carrier (366) | APOE ε4 Non-Carrier (676) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Users (n = 190) |
Non-Users (n = 176) |
Users vs. Non-Users | Users (n = 331) |
Non-Users (n = 345) |
Users vs. Non-Users | |||||
| Events | Event Rate | Events | Event Rate | Adjusted HR a (95%CI) | Events | Event Rate | Events | Event Rate | Adjusted HR a (95%CI) |
|
| Severe dementia | 20 | 10.5% | 22 | 12.5% | 0.92 (0.48–1.77), p = 0.80 | 28 | 8.5% | 23 | 6.7% | 1.13 (0.64–2.01), p = 0.67 |
Abbreviations: HR, hazard ratio; CI, confidence interval. a Adjusted for age; gender; education level; baseline MMSE score; status of APOE ε4 carrier; diagnosis of hypertension; congestive heart failure; atrial fibrillation; use of dementia medication, antihypertensive medication, and antidepressants.