Table 1.
Age cohorts and number of subjects in each cohort.
| Age Cohort | N |
|---|---|
| 50 to 54 | 44 |
| 55 to 69 | 95 |
| 60 to 64 | 112 |
| 65 to 79 | 150 |
| 70 to 74 | 141 |
| 75 to 79 | 102 |
| 80 to 84 | 46 |
| 85 to 93 | 26 |
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