Table 4.
IRRs for Hospitalizations as a Function of Age at Study Entry and Dementia Status
| IRR | Z | P > (Z) | 95% CI | ||
|---|---|---|---|---|---|
| Dementia status | 1.37 | 1.74 | .08 | 0.96 | 1.94 |
| Age | 1.01 | 0.81 | .42 | 0.99 | 1.05 |
Abbreviation: ED, emergency department; IRRs, incidence rate ratios.
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