Table 1. Cases of Alzheimer’s disease collected by each independent information system.
| Health insurance cohort HIC | ||||
|---|---|---|---|---|
| Yes | No | |||
| French National Alzheimer database | Yes | 856 | 1 738 | 2 594 |
| No | 2 968 | 6 026 | ||
| 3 824 | 11 588 | |||
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