Research Article
Protective Factors Modulate the Risk of Beta Amyloid in Alzheimer’s Disease
Table 3
Risk classification by brain Abeta and FDG stratified by ApoE.
| | Level | No. of events/no. of population | Hazard ratio | 95% CI |
| APOE-ɛ4 carrier | | | | | a1. Group by AV45 and FDG | A: and | 4/103 | (reference) | — | B: and | 2/18 | 4.848 | 0.883-26.627 | C: and | 21/89 | 6.798 | 2.333-19.808 | D: and | 38/68 | 22.601 | 8.031-63.605 | a2. | A: | 18/35 | 2.908 | 2.389-6.089 | B: | 12/54 | (reference) | — | a3. | A: | 20/33 | 3.628 | 1.623–8.106 | B: | 9/35 | (reference) | | APOE-ɛ4 noncarrier | | | | | b1. Group by AV45 and FDG | A: and | 5/272 | (reference) | — | B: and | 5/39 | 8.144 | 2.347-28.253 | C: and | 9/58 | 7.206 | 2.356-22.039 | D: and | 10/18 | 50.72 | 17.007-151.257 | b2. | A: | 3/10 | 4.335 | 0.947-19.84 | B: | 5/41 | (reference) | — | b3. | A: | 7/8 | 36945.00 | 0.00-missing | B: | 4/17 | (reference) | |
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. AV45: brain PET Abeta; FDG: CGM based on 18F-FDG-PET. |